Home / 86,084,286.62-129,151,587.11-27,790,596.86

Finding the Fourth Proportional to 86,084,286.62, 129,151,587.11 and 27,790,596.86

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Solution

The fourth proportional to 86,084,286.62, 129,151,587.11 and 27,790,596.86 is: 41,694,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,084,286.62 : 129,151,587.11 = 27,790,596.86 : x
  2. Step 2: Convert to fraction form
    86,084,286.62/129,151,587.11 = 27,790,596.86/x
  3. Step 3: Cross multiply
    86,084,286.62x = 129,151,587.11 × 27,790,596.86
  4. Step 4: Simplify right side
    86,084,286.62x = 3,589,199,690,418,471.50
  5. Step 5: Solve for x
    x = 3,589,199,690,418,471.50/86,084,286.62
  6. Step 6: Final answer
    x = 41,694,016.78

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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.