Home / 87,387,325.20-131,112,480.60-36,306,003.60

Finding the Fourth Proportional to 87,387,325.20, 131,112,480.60 and 36,306,003.60

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Solution

The fourth proportional to 87,387,325.20, 131,112,480.60 and 36,306,003.60 is: 54,472,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,387,325.20 : 131,112,480.60 = 36,306,003.60 : x
  2. Step 2: Convert to fraction form
    87,387,325.20/131,112,480.60 = 36,306,003.60/x
  3. Step 3: Cross multiply
    87,387,325.20x = 131,112,480.60 × 36,306,003.60
  4. Step 4: Simplify right side
    87,387,325.20x = 4,760,170,192,668,530
  5. Step 5: Solve for x
    x = 4,760,170,192,668,530/87,387,325.20
  6. Step 6: Final answer
    x = 54,472,089.42

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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.