Home / 49,207,853.70-73,811,780.55-20,474,610.30

Finding the Fourth Proportional to 49,207,853.70, 73,811,780.55 and 20,474,610.30

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Solution

The fourth proportional to 49,207,853.70, 73,811,780.55 and 20,474,610.30 is: 30,711,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,207,853.70 : 73,811,780.55 = 20,474,610.30 : x
  2. Step 2: Convert to fraction form
    49,207,853.70/73,811,780.55 = 20,474,610.30/x
  3. Step 3: Cross multiply
    49,207,853.70x = 73,811,780.55 × 20,474,610.30
  4. Step 4: Simplify right side
    49,207,853.70x = 1,511,267,442,310,369.75
  5. Step 5: Solve for x
    x = 1,511,267,442,310,369.75/49,207,853.70
  6. Step 6: Final answer
    x = 30,711,915.45

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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.