Home / 138,622,191.40-207,933,287.19-36,396,562.60

Finding the Fourth Proportional to 138,622,191.40, 207,933,287.19 and 36,396,562.60

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Solution

The fourth proportional to 138,622,191.40, 207,933,287.19 and 36,396,562.60 is: 54,594,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,622,191.40 : 207,933,287.19 = 36,396,562.60 : x
  2. Step 2: Convert to fraction form
    138,622,191.40/207,933,287.19 = 36,396,562.60/x
  3. Step 3: Cross multiply
    138,622,191.40x = 207,933,287.19 × 36,396,562.60
  4. Step 4: Simplify right side
    138,622,191.40x = 7,568,056,903,834,613
  5. Step 5: Solve for x
    x = 7,568,056,903,834,613/138,622,191.40
  6. Step 6: Final answer
    x = 54,594,843.92

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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.