Home / 187,508,849.32-258,737,673.08-108,126,842.75

Finding the Fourth Proportional to 187,508,849.32, 258,737,673.08 and 108,126,842.75

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Solution

The fourth proportional to 187,508,849.32, 258,737,673.08 and 108,126,842.75 is: 149,200,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,508,849.32 : 258,737,673.08 = 108,126,842.75 : x
  2. Step 2: Convert to fraction form
    187,508,849.32/258,737,673.08 = 108,126,842.75/x
  3. Step 3: Cross multiply
    187,508,849.32x = 258,737,673.08 × 108,126,842.75
  4. Step 4: Simplify right side
    187,508,849.32x = 27,976,487,689,961,292
  5. Step 5: Solve for x
    x = 27,976,487,689,961,292/187,508,849.32
  6. Step 6: Final answer
    x = 149,200,892.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.