Home / 68,760,791.26-103,129,975-20,227,294.59

Finding the Fourth Proportional to 68,760,791.26, 103,129,975 and 20,227,294.59

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Solution

The fourth proportional to 68,760,791.26, 103,129,975 and 20,227,294.59 is: 30,337,643.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,760,791.26 : 103,129,975 = 20,227,294.59 : x
  2. Step 2: Convert to fraction form
    68,760,791.26/103,129,975 = 20,227,294.59/x
  3. Step 3: Cross multiply
    68,760,791.26x = 103,129,975 × 20,227,294.59
  4. Step 4: Simplify right side
    68,760,791.26x = 2,086,040,385,384,335.25
  5. Step 5: Solve for x
    x = 2,086,040,385,384,335.25/68,760,791.26
  6. Step 6: Final answer
    x = 30,337,643.69

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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.