Home / 71,885,432.64-107,828,145.18-17,298,023.79

Finding the Fourth Proportional to 71,885,432.64, 107,828,145.18 and 17,298,023.79

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Solution

The fourth proportional to 71,885,432.64, 107,828,145.18 and 17,298,023.79 is: 25,947,034.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,885,432.64 : 107,828,145.18 = 17,298,023.79 : x
  2. Step 2: Convert to fraction form
    71,885,432.64/107,828,145.18 = 17,298,023.79/x
  3. Step 3: Cross multiply
    71,885,432.64x = 107,828,145.18 × 17,298,023.79
  4. Step 4: Simplify right side
    71,885,432.64x = 1,865,213,820,555,213.75
  5. Step 5: Solve for x
    x = 1,865,213,820,555,213.75/71,885,432.64
  6. Step 6: Final answer
    x = 25,947,034.78

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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.