Home / 87,389,733.60-131,084,600.40-29,876,882.40

Finding the Fourth Proportional to 87,389,733.60, 131,084,600.40 and 29,876,882.40

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Solution

The fourth proportional to 87,389,733.60, 131,084,600.40 and 29,876,882.40 is: 44,815,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,389,733.60 : 131,084,600.40 = 29,876,882.40 : x
  2. Step 2: Convert to fraction form
    87,389,733.60/131,084,600.40 = 29,876,882.40/x
  3. Step 3: Cross multiply
    87,389,733.60x = 131,084,600.40 × 29,876,882.40
  4. Step 4: Simplify right side
    87,389,733.60x = 3,916,399,190,601,793
  5. Step 5: Solve for x
    x = 3,916,399,190,601,793/87,389,733.60
  6. Step 6: Final answer
    x = 44,815,323.60

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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.