Home / 318,416,198.82-477,622,729.89-124,347,326.82

Finding the Fourth Proportional to 318,416,198.82, 477,622,729.89 and 124,347,326.82

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Solution

The fourth proportional to 318,416,198.82, 477,622,729.89 and 124,347,326.82 is: 186,520,377.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,416,198.82 : 477,622,729.89 = 124,347,326.82 : x
  2. Step 2: Convert to fraction form
    318,416,198.82/477,622,729.89 = 124,347,326.82/x
  3. Step 3: Cross multiply
    318,416,198.82x = 477,622,729.89 × 124,347,326.82
  4. Step 4: Simplify right side
    318,416,198.82x = 59,391,109,690,292,408
  5. Step 5: Solve for x
    x = 59,391,109,690,292,408/318,416,198.82
  6. Step 6: Final answer
    x = 186,520,377.76

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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.