Home / 126,042,781.56-173,939,796.78-70,291,721.64

Finding the Fourth Proportional to 126,042,781.56, 173,939,796.78 and 70,291,721.64

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Solution

The fourth proportional to 126,042,781.56, 173,939,796.78 and 70,291,721.64 is: 97,002,998.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,042,781.56 : 173,939,796.78 = 70,291,721.64 : x
  2. Step 2: Convert to fraction form
    126,042,781.56/173,939,796.78 = 70,291,721.64/x
  3. Step 3: Cross multiply
    126,042,781.56x = 173,939,796.78 × 70,291,721.64
  4. Step 4: Simplify right side
    126,042,781.56x = 12,226,527,777,377,928
  5. Step 5: Solve for x
    x = 12,226,527,777,377,928/126,042,781.56
  6. Step 6: Final answer
    x = 97,002,998.71

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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.