Home / 115,613,560.72-159,532,049.94-63,388,853.68

Finding the Fourth Proportional to 115,613,560.72, 159,532,049.94 and 63,388,853.68

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Solution

The fourth proportional to 115,613,560.72, 159,532,049.94 and 63,388,853.68 is: 87,468,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,613,560.72 : 159,532,049.94 = 63,388,853.68 : x
  2. Step 2: Convert to fraction form
    115,613,560.72/159,532,049.94 = 63,388,853.68/x
  3. Step 3: Cross multiply
    115,613,560.72x = 159,532,049.94 × 63,388,853.68
  4. Step 4: Simplify right side
    115,613,560.72x = 10,112,553,770,917,112
  5. Step 5: Solve for x
    x = 10,112,553,770,917,112/115,613,560.72
  6. Step 6: Final answer
    x = 87,468,578.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.