Home / 87,489,793.60-131,234,690.40-82,450,945.60

Finding the Fourth Proportional to 87,489,793.60, 131,234,690.40 and 82,450,945.60

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Solution

The fourth proportional to 87,489,793.60, 131,234,690.40 and 82,450,945.60 is: 123,676,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,489,793.60 : 131,234,690.40 = 82,450,945.60 : x
  2. Step 2: Convert to fraction form
    87,489,793.60/131,234,690.40 = 82,450,945.60/x
  3. Step 3: Cross multiply
    87,489,793.60x = 131,234,690.40 × 82,450,945.60
  4. Step 4: Simplify right side
    87,489,793.60x = 10,820,424,319,003,242
  5. Step 5: Solve for x
    x = 10,820,424,319,003,242/87,489,793.60
  6. Step 6: Final answer
    x = 123,676,418.40

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Similar ratio
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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.