Home / 66,100,614.20-99,150,921.30-45,693,279.80

Finding the Fourth Proportional to 66,100,614.20, 99,150,921.30 and 45,693,279.80

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Solution

The fourth proportional to 66,100,614.20, 99,150,921.30 and 45,693,279.80 is: 68,539,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,100,614.20 : 99,150,921.30 = 45,693,279.80 : x
  2. Step 2: Convert to fraction form
    66,100,614.20/99,150,921.30 = 45,693,279.80/x
  3. Step 3: Cross multiply
    66,100,614.20x = 99,150,921.30 × 45,693,279.80
  4. Step 4: Simplify right side
    66,100,614.20x = 4,530,530,789,388,679
  5. Step 5: Solve for x
    x = 4,530,530,789,388,679/66,100,614.20
  6. Step 6: Final answer
    x = 68,539,919.70

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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.