Home / 63,945,908.80-95,919,738.24-20,815,294.72

Finding the Fourth Proportional to 63,945,908.80, 95,919,738.24 and 20,815,294.72

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Solution

The fourth proportional to 63,945,908.80, 95,919,738.24 and 20,815,294.72 is: 31,223,226.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,945,908.80 : 95,919,738.24 = 20,815,294.72 : x
  2. Step 2: Convert to fraction form
    63,945,908.80/95,919,738.24 = 20,815,294.72/x
  3. Step 3: Cross multiply
    63,945,908.80x = 95,919,738.24 × 20,815,294.72
  4. Step 4: Simplify right side
    63,945,908.80x = 1,996,597,620,930,853.75
  5. Step 5: Solve for x
    x = 1,996,597,620,930,853.75/63,945,908.80
  6. Step 6: Final answer
    x = 31,223,226.92

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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.