Home / 66,100,613.70-99,150,920.55-45,693,279.30

Finding the Fourth Proportional to 66,100,613.70, 99,150,920.55 and 45,693,279.30

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Solution

The fourth proportional to 66,100,613.70, 99,150,920.55 and 45,693,279.30 is: 68,539,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,100,613.70 : 99,150,920.55 = 45,693,279.30 : x
  2. Step 2: Convert to fraction form
    66,100,613.70/99,150,920.55 = 45,693,279.30/x
  3. Step 3: Cross multiply
    66,100,613.70x = 99,150,920.55 × 45,693,279.30
  4. Step 4: Simplify right side
    66,100,613.70x = 4,530,530,705,543,259
  5. Step 5: Solve for x
    x = 4,530,530,705,543,259/66,100,613.70
  6. Step 6: Final answer
    x = 68,539,918.95

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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.