Home / 168,204,078.05-252,305,058.33-90,517,575.97

Finding the Fourth Proportional to 168,204,078.05, 252,305,058.33 and 90,517,575.97

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Solution

The fourth proportional to 168,204,078.05, 252,305,058.33 and 90,517,575.97 is: 135,775,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,204,078.05 : 252,305,058.33 = 90,517,575.97 : x
  2. Step 2: Convert to fraction form
    168,204,078.05/252,305,058.33 = 90,517,575.97/x
  3. Step 3: Cross multiply
    168,204,078.05x = 252,305,058.33 × 90,517,575.97
  4. Step 4: Simplify right side
    168,204,078.05x = 22,838,042,285,001,056
  5. Step 5: Solve for x
    x = 22,838,042,285,001,056/168,204,078.05
  6. Step 6: Final answer
    x = 135,775,794.20

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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.