Home / 218,422,677.38-327,635,240.85-72,855,839.15

Finding the Fourth Proportional to 218,422,677.38, 327,635,240.85 and 72,855,839.15

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Solution

The fourth proportional to 218,422,677.38, 327,635,240.85 and 72,855,839.15 is: 109,284,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,422,677.38 : 327,635,240.85 = 72,855,839.15 : x
  2. Step 2: Convert to fraction form
    218,422,677.38/327,635,240.85 = 72,855,839.15/x
  3. Step 3: Cross multiply
    218,422,677.38x = 327,635,240.85 × 72,855,839.15
  4. Step 4: Simplify right side
    218,422,677.38x = 23,870,140,405,236,656
  5. Step 5: Solve for x
    x = 23,870,140,405,236,656/218,422,677.38
  6. Step 6: Final answer
    x = 109,284,167.25

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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.