Home / 72,503,221.38-108,751,882.63-17,914,432.26

Finding the Fourth Proportional to 72,503,221.38, 108,751,882.63 and 17,914,432.26

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Solution

The fourth proportional to 72,503,221.38, 108,751,882.63 and 17,914,432.26 is: 26,870,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,503,221.38 : 108,751,882.63 = 17,914,432.26 : x
  2. Step 2: Convert to fraction form
    72,503,221.38/108,751,882.63 = 17,914,432.26/x
  3. Step 3: Cross multiply
    72,503,221.38x = 108,751,882.63 × 17,914,432.26
  4. Step 4: Simplify right side
    72,503,221.38x = 1,948,228,234,522,605.75
  5. Step 5: Solve for x
    x = 1,948,228,234,522,605.75/72,503,221.38
  6. Step 6: Final answer
    x = 26,870,919.63

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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.