Home / 61,086,046.72-91,629,091.20-17,955,257.60

Finding the Fourth Proportional to 61,086,046.72, 91,629,091.20 and 17,955,257.60

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Solution

The fourth proportional to 61,086,046.72, 91,629,091.20 and 17,955,257.60 is: 26,932,892.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,086,046.72 : 91,629,091.20 = 17,955,257.60 : x
  2. Step 2: Convert to fraction form
    61,086,046.72/91,629,091.20 = 17,955,257.60/x
  3. Step 3: Cross multiply
    61,086,046.72x = 91,629,091.20 × 17,955,257.60
  4. Step 4: Simplify right side
    61,086,046.72x = 1,645,223,936,149,893.25
  5. Step 5: Solve for x
    x = 1,645,223,936,149,893.25/61,086,046.72
  6. Step 6: Final answer
    x = 26,932,892.61

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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.