Home / 206,115,754.33-309,173,434.66-52,761,564.73

Finding the Fourth Proportional to 206,115,754.33, 309,173,434.66 and 52,761,564.73

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Solution

The fourth proportional to 206,115,754.33, 309,173,434.66 and 52,761,564.73 is: 79,142,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,115,754.33 : 309,173,434.66 = 52,761,564.73 : x
  2. Step 2: Convert to fraction form
    206,115,754.33/309,173,434.66 = 52,761,564.73/x
  3. Step 3: Cross multiply
    206,115,754.33x = 309,173,434.66 × 52,761,564.73
  4. Step 4: Simplify right side
    206,115,754.33x = 16,312,474,185,610,016
  5. Step 5: Solve for x
    x = 16,312,474,185,610,016/206,115,754.33
  6. Step 6: Final answer
    x = 79,142,296.71

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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.