Home / 49,207,843.20-73,811,764.80-20,474,599.80

Finding the Fourth Proportional to 49,207,843.20, 73,811,764.80 and 20,474,599.80

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Solution

The fourth proportional to 49,207,843.20, 73,811,764.80 and 20,474,599.80 is: 30,711,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,207,843.20 : 73,811,764.80 = 20,474,599.80 : x
  2. Step 2: Convert to fraction form
    49,207,843.20/73,811,764.80 = 20,474,599.80/x
  3. Step 3: Cross multiply
    49,207,843.20x = 73,811,764.80 × 20,474,599.80
  4. Step 4: Simplify right side
    49,207,843.20x = 1,511,266,344,811,727
  5. Step 5: Solve for x
    x = 1,511,266,344,811,727/49,207,843.20
  6. Step 6: Final answer
    x = 30,711,899.70

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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.