Finding the Fourth Proportional to 81,147,188,116.28, 111,936,594,062.56 and 50,610,356,025.92

Step by Step Solution

1. Step 1: Write the proportion equation
   81,147,188,116.28 : 111,936,594,062.56 = 50,610,356,025.92 : x
2. Step 2: Convert to fraction form
   81,147,188,116.28/111,936,594,062.56 = 50,610,356,025.92/x
3. Step 3: Cross multiply
   81,147,188,116.28x = 111,936,594,062.56 × 50,610,356,025.92
4. Step 4: Simplify right side
   81,147,188,116.28x = 5,665,150,877,835,044,323,328
5. Step 5: Solve for x
   x = 5,665,150,877,835,044,323,328/81,147,188,116.28
6. Step 6: Final answer
   x = 69,813,273,994.38