402101 divided by 78 
Let's see how many times 78 fits into 402101.

Step 1:
4 divided by 78 is 0 with a remainder of 4.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 4 leaves us with 4.
Grab the next digit (0) from the dividend, add it to 4, then carry on: 40 / 78

Going ahead to step 2:
If we divide 40 by 78, we get 0 and a remainder of 40.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 40 and we're left with 40.
Fetch the next digit (2) from the dividend, attach it to 40 and continue: 402 / 78

Advancing to step 3:
If we divide 402 by 78, we get 5 and a remainder of 12.
Record the quotient 5 as the next digit in the result. 
Result so far: 5.0
Subtracting 390 from 402 leaves us with 12.
Take the next digit (1) from the dividend and append it to 12, then repeat: 121 / 78

Going ahead to step 4:
78 can be fit into 121 1 times, resulting in a remainder of 43.
The number 1 becomes the next digit in our result. 
Result so far: 51.0
The remainder is 43 after subtracting 78 from 121.
Take the next digit (0) from the dividend and append it to 43, then repeat: 430 / 78

On to step 5:
The number 78 fits into 430 5 times, leaving a remainder of 40.
Record the quotient 5 as the next digit in the result. 
Result so far: 515.0
The remainder is 40 after subtracting 390 from 430.
Fetch the next digit (1) from the dividend, attach it to 40 and continue: 401 / 78

Let's proceed to step 6:
401 divided by 78 is 5 with a remainder of 11.
The next digit of our result is 5. 
Result so far: 5155.0
Deduct 390 from 401 and we're left with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

On to step 7:
The number 78 fits into 110 1 times, leaving a remainder of 32.
The next digit of our result is 1. 
Result so far: 5155.1
If we subtract 78 from 110, we get 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Going ahead to step 8:
The number 78 fits into 320 4 times, leaving a remainder of 8.
The number 4 becomes the next digit in our result. 
Result so far: 5155.14
The remainder is 8 after subtracting 312 from 320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Moving on to step 9:
When dividing 80 by 78, we get 1 with a remainder of 2.
The next digit of our result is 1. 
Result so far: 5155.141
Subtract 78 from 80 to get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Advancing to step 10:
The number 78 fits into 20 0 times, leaving a remainder of 20.
Use 0 as the next digit of our solution. 
Result so far: 5155.141
If we subtract 0 from 20, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Moving on to step 11:
If we divide 200 by 78, we get 2 and a remainder of 44.
Write down 2 as next digit of the result. 
Result so far: 5155.14102
Deduct 156 from 200 and we're left with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

On to step 12:
440 divided by 78 is 5 with a remainder of 50.
The next digit of our result is 5. 
Result so far: 5155.141025
Deduct 390 from 440 and we're left with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 13:
The number 78 fits into 500 6 times, leaving a remainder of 32.
Use 6 as the next digit of our solution. 
Result so far: 5155.1410256
If we subtract 468 from 500, we get 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Step 14:
The number 78 fits into 320 4 times, leaving a remainder of 8.
The next digit of our result is 4. 
Result so far: 5155.14102564
Subtract 312 from 320 to get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

In conclusion, the division gives 5155.14102564 with a balance of 8e-09.