Home / 231,370,917.30-319,292,472.24-125,524,327.28

Finding the Fourth Proportional to 231,370,917.30, 319,292,472.24 and 125,524,327.28

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Solution

The fourth proportional to 231,370,917.30, 319,292,472.24 and 125,524,327.28 is: 173,223,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,370,917.30 : 319,292,472.24 = 125,524,327.28 : x
  2. Step 2: Convert to fraction form
    231,370,917.30/319,292,472.24 = 125,524,327.28/x
  3. Step 3: Cross multiply
    231,370,917.30x = 319,292,472.24 × 125,524,327.28
  4. Step 4: Simplify right side
    231,370,917.30x = 40,078,972,781,897,616
  5. Step 5: Solve for x
    x = 40,078,972,781,897,616/231,370,917.30
  6. Step 6: Final answer
    x = 173,223,900.61

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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.