Home / 186,940,589.76-280,160,229.15-145,491,513.30

Finding the Fourth Proportional to 186,940,589.76, 280,160,229.15 and 145,491,513.30

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Solution

The fourth proportional to 186,940,589.76, 280,160,229.15 and 145,491,513.30 is: 218,042,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,940,589.76 : 280,160,229.15 = 145,491,513.30 : x
  2. Step 2: Convert to fraction form
    186,940,589.76/280,160,229.15 = 145,491,513.30/x
  3. Step 3: Cross multiply
    186,940,589.76x = 280,160,229.15 × 145,491,513.30
  4. Step 4: Simplify right side
    186,940,589.76x = 40,760,935,705,508,272
  5. Step 5: Solve for x
    x = 40,760,935,705,508,272/186,940,589.76
  6. Step 6: Final answer
    x = 218,042,190.61

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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.