Finding the Fourth Proportional to 81,147,188,134.99, 111,936,594,088.26 and 50,610,356,044.55

Step by Step Solution

1. Step 1: Write the proportion equation
   81,147,188,134.99 : 111,936,594,088.26 = 50,610,356,044.55 : x
2. Step 2: Convert to fraction form
   81,147,188,134.99/111,936,594,088.26 = 50,610,356,044.55/x
3. Step 3: Cross multiply
   81,147,188,134.99x = 111,936,594,088.26 × 50,610,356,044.55
4. Step 4: Simplify right side
   81,147,188,134.99x = 5,665,150,881,220,549,148,672
5. Step 5: Solve for x
   x = 5,665,150,881,220,549,148,672/81,147,188,134.99
6. Step 6: Final answer
   x = 69,813,274,020.00