Home / 275,561,791.85-380,275,105.10-151,802,468.97

Finding the Fourth Proportional to 275,561,791.85, 380,275,105.10 and 151,802,468.97

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Solution

The fourth proportional to 275,561,791.85, 380,275,105.10 and 151,802,468.97 is: 209,487,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,561,791.85 : 380,275,105.10 = 151,802,468.97 : x
  2. Step 2: Convert to fraction form
    275,561,791.85/380,275,105.10 = 151,802,468.97/x
  3. Step 3: Cross multiply
    275,561,791.85x = 380,275,105.10 × 151,802,468.97
  4. Step 4: Simplify right side
    275,561,791.85x = 57,726,699,843,811,776
  5. Step 5: Solve for x
    x = 57,726,699,843,811,776/275,561,791.85
  6. Step 6: Final answer
    x = 209,487,314.83

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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.