Home / 87,372,151.20-131,142,207.60-44,290,000.80

Finding the Fourth Proportional to 87,372,151.20, 131,142,207.60 and 44,290,000.80

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Solution

The fourth proportional to 87,372,151.20, 131,142,207.60 and 44,290,000.80 is: 66,477,572.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,372,151.20 : 131,142,207.60 = 44,290,000.80 : x
  2. Step 2: Convert to fraction form
    87,372,151.20/131,142,207.60 = 44,290,000.80/x
  3. Step 3: Cross multiply
    87,372,151.20x = 131,142,207.60 × 44,290,000.80
  4. Step 4: Simplify right side
    87,372,151.20x = 5,808,288,479,517,765
  5. Step 5: Solve for x
    x = 5,808,288,479,517,765/87,372,151.20
  6. Step 6: Final answer
    x = 66,477,572.08

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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.