Home / 159,542,291.20-239,280,259.20-68,668,844.80

Finding the Fourth Proportional to 159,542,291.20, 239,280,259.20 and 68,668,844.80

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Solution

The fourth proportional to 159,542,291.20, 239,280,259.20 and 68,668,844.80 is: 102,988,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,542,291.20 : 239,280,259.20 = 68,668,844.80 : x
  2. Step 2: Convert to fraction form
    159,542,291.20/239,280,259.20 = 68,668,844.80/x
  3. Step 3: Cross multiply
    159,542,291.20x = 239,280,259.20 × 68,668,844.80
  4. Step 4: Simplify right side
    159,542,291.20x = 16,431,098,982,708,570
  5. Step 5: Solve for x
    x = 16,431,098,982,708,570/159,542,291.20
  6. Step 6: Final answer
    x = 102,988,987.18

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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.