Home / 87,399,118.80-131,098,678.20-29,877,519.60

Finding the Fourth Proportional to 87,399,118.80, 131,098,678.20 and 29,877,519.60

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Solution

The fourth proportional to 87,399,118.80, 131,098,678.20 and 29,877,519.60 is: 44,816,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,399,118.80 : 131,098,678.20 = 29,877,519.60 : x
  2. Step 2: Convert to fraction form
    87,399,118.80/131,098,678.20 = 29,877,519.60/x
  3. Step 3: Cross multiply
    87,399,118.80x = 131,098,678.20 × 29,877,519.60
  4. Step 4: Simplify right side
    87,399,118.80x = 3,916,903,327,454,593
  5. Step 5: Solve for x
    x = 3,916,903,327,454,593/87,399,118.80
  6. Step 6: Final answer
    x = 44,816,279.40

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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.