Home / 49,207,861.20-73,811,791.80-20,474,617.80

Finding the Fourth Proportional to 49,207,861.20, 73,811,791.80 and 20,474,617.80

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Solution

The fourth proportional to 49,207,861.20, 73,811,791.80 and 20,474,617.80 is: 30,711,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,207,861.20 : 73,811,791.80 = 20,474,617.80 : x
  2. Step 2: Convert to fraction form
    49,207,861.20/73,811,791.80 = 20,474,617.80/x
  3. Step 3: Cross multiply
    49,207,861.20x = 73,811,791.80 × 20,474,617.80
  4. Step 4: Simplify right side
    49,207,861.20x = 1,511,268,226,238,174
  5. Step 5: Solve for x
    x = 1,511,268,226,238,174/49,207,861.20
  6. Step 6: Final answer
    x = 30,711,926.70

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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.