Home / 71,883,773.10-107,715,939.57-42,680,104.20

Finding the Fourth Proportional to 71,883,773.10, 107,715,939.57 and 42,680,104.20

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Solution

The fourth proportional to 71,883,773.10, 107,715,939.57 and 42,680,104.20 is: 63,955,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,883,773.10 : 107,715,939.57 = 42,680,104.20 : x
  2. Step 2: Convert to fraction form
    71,883,773.10/107,715,939.57 = 42,680,104.20/x
  3. Step 3: Cross multiply
    71,883,773.10x = 107,715,939.57 × 42,680,104.20
  4. Step 4: Simplify right side
    71,883,773.10x = 4,597,327,524,848,503
  5. Step 5: Solve for x
    x = 4,597,327,524,848,503/71,883,773.10
  6. Step 6: Final answer
    x = 63,955,011.35

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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.