Home / 129,399,246.30-194,098,869.45-117,455,310.30

Finding the Fourth Proportional to 129,399,246.30, 194,098,869.45 and 117,455,310.30

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Solution

The fourth proportional to 129,399,246.30, 194,098,869.45 and 117,455,310.30 is: 176,182,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,399,246.30 : 194,098,869.45 = 117,455,310.30 : x
  2. Step 2: Convert to fraction form
    129,399,246.30/194,098,869.45 = 117,455,310.30/x
  3. Step 3: Cross multiply
    129,399,246.30x = 194,098,869.45 × 117,455,310.30
  4. Step 4: Simplify right side
    129,399,246.30x = 22,797,942,940,128,940
  5. Step 5: Solve for x
    x = 22,797,942,940,128,940/129,399,246.30
  6. Step 6: Final answer
    x = 176,182,965.45

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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.