Home / 87,399,286.20-131,098,929.30-30,665,590.20

Finding the Fourth Proportional to 87,399,286.20, 131,098,929.30 and 30,665,590.20

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Solution

The fourth proportional to 87,399,286.20, 131,098,929.30 and 30,665,590.20 is: 45,998,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,399,286.20 : 131,098,929.30 = 30,665,590.20 : x
  2. Step 2: Convert to fraction form
    87,399,286.20/131,098,929.30 = 30,665,590.20/x
  3. Step 3: Cross multiply
    87,399,286.20x = 131,098,929.30 × 30,665,590.20
  4. Step 4: Simplify right side
    87,399,286.20x = 4,020,226,041,572,572.50
  5. Step 5: Solve for x
    x = 4,020,226,041,572,572.50/87,399,286.20
  6. Step 6: Final answer
    x = 45,998,385.30

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Similar ratio
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1.5x scale

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.