Home / 71,767,623.20-107,667,919.92-20,650,065.44

Finding the Fourth Proportional to 71,767,623.20, 107,667,919.92 and 20,650,065.44

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Solution

The fourth proportional to 71,767,623.20, 107,667,919.92 and 20,650,065.44 is: 30,979,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,767,623.20 : 107,667,919.92 = 20,650,065.44 : x
  2. Step 2: Convert to fraction form
    71,767,623.20/107,667,919.92 = 20,650,065.44/x
  3. Step 3: Cross multiply
    71,767,623.20x = 107,667,919.92 × 20,650,065.44
  4. Step 4: Simplify right side
    71,767,623.20x = 2,223,349,592,136,679.75
  5. Step 5: Solve for x
    x = 2,223,349,592,136,679.75/71,767,623.20
  6. Step 6: Final answer
    x = 30,979,841.51

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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.