Home / 194,620,930.72-267,146,251.91-172,101,012.64

Finding the Fourth Proportional to 194,620,930.72, 267,146,251.91 and 172,101,012.64

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Solution

The fourth proportional to 194,620,930.72, 267,146,251.91 and 172,101,012.64 is: 236,234,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,620,930.72 : 267,146,251.91 = 172,101,012.64 : x
  2. Step 2: Convert to fraction form
    194,620,930.72/267,146,251.91 = 172,101,012.64/x
  3. Step 3: Cross multiply
    194,620,930.72x = 267,146,251.91 × 172,101,012.64
  4. Step 4: Simplify right side
    194,620,930.72x = 45,976,140,476,691,528
  5. Step 5: Solve for x
    x = 45,976,140,476,691,528/194,620,930.72
  6. Step 6: Final answer
    x = 236,234,305.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.