Home / 129,374,515.68-194,065,713.09-50,587,876.95

Finding the Fourth Proportional to 129,374,515.68, 194,065,713.09 and 50,587,876.95

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Solution

The fourth proportional to 129,374,515.68, 194,065,713.09 and 50,587,876.95 is: 75,883,355.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,374,515.68 : 194,065,713.09 = 50,587,876.95 : x
  2. Step 2: Convert to fraction form
    129,374,515.68/194,065,713.09 = 50,587,876.95/x
  3. Step 3: Cross multiply
    129,374,515.68x = 194,065,713.09 × 50,587,876.95
  4. Step 4: Simplify right side
    129,374,515.68x = 9,817,372,414,010,926
  5. Step 5: Solve for x
    x = 9,817,372,414,010,926/129,374,515.68
  6. Step 6: Final answer
    x = 75,883,355.87

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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.