Finding the Fourth Proportional to 147,517,815.30, 206,827,272.30 and 147,517,815.30

Step by Step Solution

1. Step 1: Write the proportion equation
   147,517,815.30 : 206,827,272.30 = 147,517,815.30 : x
2. Step 2: Convert to fraction form
   147,517,815.30/206,827,272.30 = 147,517,815.30/x
3. Step 3: Cross multiply
   147,517,815.30x = 206,827,272.30 × 147,517,815.30
4. Step 4: Simplify right side
   147,517,815.30x = 30,510,707,354,154,212
5. Step 5: Solve for x
   x = 30,510,707,354,154,212/147,517,815.30
6. Step 6: Final answer
   x = 206,827,272.30