Home / 115,469,345.88-173,229,869.07-38,790,282.78

Finding the Fourth Proportional to 115,469,345.88, 173,229,869.07 and 38,790,282.78

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Solution

The fourth proportional to 115,469,345.88, 173,229,869.07 and 38,790,282.78 is: 58,194,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,469,345.88 : 173,229,869.07 = 38,790,282.78 : x
  2. Step 2: Convert to fraction form
    115,469,345.88/173,229,869.07 = 38,790,282.78/x
  3. Step 3: Cross multiply
    115,469,345.88x = 173,229,869.07 × 38,790,282.78
  4. Step 4: Simplify right side
    115,469,345.88x = 6,719,635,607,167,676
  5. Step 5: Solve for x
    x = 6,719,635,607,167,676/115,469,345.88
  6. Step 6: Final answer
    x = 58,194,108.19

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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.