Home / 71,086,150.82-106,557,440.79-27,985,605.86

Finding the Fourth Proportional to 71,086,150.82, 106,557,440.79 and 27,985,605.86

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Solution

The fourth proportional to 71,086,150.82, 106,557,440.79 and 27,985,605.86 is: 41,950,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,086,150.82 : 106,557,440.79 = 27,985,605.86 : x
  2. Step 2: Convert to fraction form
    71,086,150.82/106,557,440.79 = 27,985,605.86/x
  3. Step 3: Cross multiply
    71,086,150.82x = 106,557,440.79 × 27,985,605.86
  4. Step 4: Simplify right side
    71,086,150.82x = 2,982,074,539,399,227
  5. Step 5: Solve for x
    x = 2,982,074,539,399,227/71,086,150.82
  6. Step 6: Final answer
    x = 41,950,147.88

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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.