Home / 87,399,296.80-131,086,503.60-29,894,221.60

Finding the Fourth Proportional to 87,399,296.80, 131,086,503.60 and 29,894,221.60

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Solution

The fourth proportional to 87,399,296.80, 131,086,503.60 and 29,894,221.60 is: 44,837,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,399,296.80 : 131,086,503.60 = 29,894,221.60 : x
  2. Step 2: Convert to fraction form
    87,399,296.80/131,086,503.60 = 29,894,221.60/x
  3. Step 3: Cross multiply
    87,399,296.80x = 131,086,503.60 × 29,894,221.60
  4. Step 4: Simplify right side
    87,399,296.80x = 3,918,728,987,387,598
  5. Step 5: Solve for x
    x = 3,918,728,987,387,598/87,399,296.80
  6. Step 6: Final answer
    x = 44,837,076.85

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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.