Finding the Fourth Proportional to 147,520,906.10, 221,281,359.15 and 147,520,906.10

Step by Step Solution

1. Step 1: Write the proportion equation
   147,520,906.10 : 221,281,359.15 = 147,520,906.10 : x
2. Step 2: Convert to fraction form
   147,520,906.10/221,281,359.15 = 147,520,906.10/x
3. Step 3: Cross multiply
   147,520,906.10x = 221,281,359.15 × 147,520,906.10
4. Step 4: Simplify right side
   147,520,906.10x = 32,643,626,604,847,524
5. Step 5: Solve for x
   x = 32,643,626,604,847,524/147,520,906.10
6. Step 6: Final answer
   x = 221,281,359.15