Home / 131,890,912.08-182,031,253.56-73,172,494.92

Finding the Fourth Proportional to 131,890,912.08, 182,031,253.56 and 73,172,494.92

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Solution

The fourth proportional to 131,890,912.08, 182,031,253.56 and 73,172,494.92 is: 100,990,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,890,912.08 : 182,031,253.56 = 73,172,494.92 : x
  2. Step 2: Convert to fraction form
    131,890,912.08/182,031,253.56 = 73,172,494.92/x
  3. Step 3: Cross multiply
    131,890,912.08x = 182,031,253.56 × 73,172,494.92
  4. Step 4: Simplify right side
    131,890,912.08x = 13,319,680,976,400,332
  5. Step 5: Solve for x
    x = 13,319,680,976,400,332/131,890,912.08
  6. Step 6: Final answer
    x = 100,990,134.70

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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.