Home / 131,890,906.08-182,031,245.28-73,172,488.92

Finding the Fourth Proportional to 131,890,906.08, 182,031,245.28 and 73,172,488.92

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Solution

The fourth proportional to 131,890,906.08, 182,031,245.28 and 73,172,488.92 is: 100,990,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,890,906.08 : 182,031,245.28 = 73,172,488.92 : x
  2. Step 2: Convert to fraction form
    131,890,906.08/182,031,245.28 = 73,172,488.92/x
  3. Step 3: Cross multiply
    131,890,906.08x = 182,031,245.28 × 73,172,488.92
  4. Step 4: Simplify right side
    131,890,906.08x = 13,319,679,278,344,602
  5. Step 5: Solve for x
    x = 13,319,679,278,344,602/131,890,906.08
  6. Step 6: Final answer
    x = 100,990,126.42

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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.