Home / 68,760,790.26-103,129,973.51-20,227,293.59

Finding the Fourth Proportional to 68,760,790.26, 103,129,973.51 and 20,227,293.59

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Solution

The fourth proportional to 68,760,790.26, 103,129,973.51 and 20,227,293.59 is: 30,337,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,760,790.26 : 103,129,973.51 = 20,227,293.59 : x
  2. Step 2: Convert to fraction form
    68,760,790.26/103,129,973.51 = 20,227,293.59/x
  3. Step 3: Cross multiply
    68,760,790.26x = 103,129,973.51 × 20,227,293.59
  4. Step 4: Simplify right side
    68,760,790.26x = 2,086,040,251,498,906.50
  5. Step 5: Solve for x
    x = 2,086,040,251,498,906.50/68,760,790.26
  6. Step 6: Final answer
    x = 30,337,642.19

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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.