Home / 66,790,621.52-100,116,008.27-27,951,326.30

Finding the Fourth Proportional to 66,790,621.52, 100,116,008.27 and 27,951,326.30

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Solution

The fourth proportional to 66,790,621.52, 100,116,008.27 and 27,951,326.30 is: 41,897,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,790,621.52 : 100,116,008.27 = 27,951,326.30 : x
  2. Step 2: Convert to fraction form
    66,790,621.52/100,116,008.27 = 27,951,326.30/x
  3. Step 3: Cross multiply
    66,790,621.52x = 100,116,008.27 × 27,951,326.30
  4. Step 4: Simplify right side
    66,790,621.52x = 2,798,375,215,328,436.50
  5. Step 5: Solve for x
    x = 2,798,375,215,328,436.50/66,790,621.52
  6. Step 6: Final answer
    x = 41,897,726.83

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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.