Home / 54,040,180.50-81,068,668.92-18,146,786.58

Finding the Fourth Proportional to 54,040,180.50, 81,068,668.92 and 18,146,786.58

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Solution

The fourth proportional to 54,040,180.50, 81,068,668.92 and 18,146,786.58 is: 27,222,999.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,040,180.50 : 81,068,668.92 = 18,146,786.58 : x
  2. Step 2: Convert to fraction form
    54,040,180.50/81,068,668.92 = 18,146,786.58/x
  3. Step 3: Cross multiply
    54,040,180.50x = 81,068,668.92 × 18,146,786.58
  4. Step 4: Simplify right side
    54,040,180.50x = 1,471,135,833,215,919
  5. Step 5: Solve for x
    x = 1,471,135,833,215,919/54,040,180.50
  6. Step 6: Final answer
    x = 27,222,999.99

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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.