Home / 351,981,861.10-528,098,762.85-147,572,593.90

Finding the Fourth Proportional to 351,981,861.10, 528,098,762.85 and 147,572,593.90

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Solution

The fourth proportional to 351,981,861.10, 528,098,762.85 and 147,572,593.90 is: 221,411,705.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,981,861.10 : 528,098,762.85 = 147,572,593.90 : x
  2. Step 2: Convert to fraction form
    351,981,861.10/528,098,762.85 = 147,572,593.90/x
  3. Step 3: Cross multiply
    351,981,861.10x = 528,098,762.85 × 147,572,593.90
  4. Step 4: Simplify right side
    351,981,861.10x = 77,932,904,269,155,456
  5. Step 5: Solve for x
    x = 77,932,904,269,155,456/351,981,861.10
  6. Step 6: Final answer
    x = 221,411,705.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.