Home / 87,501,659.20-131,252,488.80-86,226,200.80

Finding the Fourth Proportional to 87,501,659.20, 131,252,488.80 and 86,226,200.80

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Solution

The fourth proportional to 87,501,659.20, 131,252,488.80 and 86,226,200.80 is: 129,339,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,501,659.20 : 131,252,488.80 = 86,226,200.80 : x
  2. Step 2: Convert to fraction form
    87,501,659.20/131,252,488.80 = 86,226,200.80/x
  3. Step 3: Cross multiply
    87,501,659.20x = 131,252,488.80 × 86,226,200.80
  4. Step 4: Simplify right side
    87,501,659.20x = 11,317,403,454,768,550
  5. Step 5: Solve for x
    x = 11,317,403,454,768,550/87,501,659.20
  6. Step 6: Final answer
    x = 129,339,301.20

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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.