Home / 51,305,471.78-76,965,293.55-17,236,560.74

Finding the Fourth Proportional to 51,305,471.78, 76,965,293.55 and 17,236,560.74

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Solution

The fourth proportional to 51,305,471.78, 76,965,293.55 and 17,236,560.74 is: 25,857,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,305,471.78 : 76,965,293.55 = 17,236,560.74 : x
  2. Step 2: Convert to fraction form
    51,305,471.78/76,965,293.55 = 17,236,560.74/x
  3. Step 3: Cross multiply
    51,305,471.78x = 76,965,293.55 × 17,236,560.74
  4. Step 4: Simplify right side
    51,305,471.78x = 1,326,616,957,146,505
  5. Step 5: Solve for x
    x = 1,326,616,957,146,505/51,305,471.78
  6. Step 6: Final answer
    x = 25,857,221.68

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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.