Home / 261,207,067.52-391,810,543.50-95,223,016.37

Finding the Fourth Proportional to 261,207,067.52, 391,810,543.50 and 95,223,016.37

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Solution

The fourth proportional to 261,207,067.52, 391,810,543.50 and 95,223,016.37 is: 142,834,503.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,207,067.52 : 391,810,543.50 = 95,223,016.37 : x
  2. Step 2: Convert to fraction form
    261,207,067.52/391,810,543.50 = 95,223,016.37/x
  3. Step 3: Cross multiply
    261,207,067.52x = 391,810,543.50 × 95,223,016.37
  4. Step 4: Simplify right side
    261,207,067.52x = 37,309,381,797,639,096
  5. Step 5: Solve for x
    x = 37,309,381,797,639,096/261,207,067.52
  6. Step 6: Final answer
    x = 142,834,503.49

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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.