Home / 138,622,149.90-207,933,225.03-36,396,521.10

Finding the Fourth Proportional to 138,622,149.90, 207,933,225.03 and 36,396,521.10

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Solution

The fourth proportional to 138,622,149.90, 207,933,225.03 and 36,396,521.10 is: 54,594,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,622,149.90 : 207,933,225.03 = 36,396,521.10 : x
  2. Step 2: Convert to fraction form
    138,622,149.90/207,933,225.03 = 36,396,521.10/x
  3. Step 3: Cross multiply
    138,622,149.90x = 207,933,225.03 × 36,396,521.10
  4. Step 4: Simplify right side
    138,622,149.90x = 7,568,046,012,195,443
  5. Step 5: Solve for x
    x = 7,568,046,012,195,443/138,622,149.90
  6. Step 6: Final answer
    x = 54,594,781.70

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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.