Home / 84,654,771.91-126,951,710.56-29,307,578.32

Finding the Fourth Proportional to 84,654,771.91, 126,951,710.56 and 29,307,578.32

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Solution

The fourth proportional to 84,654,771.91, 126,951,710.56 and 29,307,578.32 is: 43,950,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,654,771.91 : 126,951,710.56 = 29,307,578.32 : x
  2. Step 2: Convert to fraction form
    84,654,771.91/126,951,710.56 = 29,307,578.32/x
  3. Step 3: Cross multiply
    84,654,771.91x = 126,951,710.56 × 29,307,578.32
  4. Step 4: Simplify right side
    84,654,771.91x = 3,720,647,200,095,171
  5. Step 5: Solve for x
    x = 3,720,647,200,095,171/84,654,771.91
  6. Step 6: Final answer
    x = 43,950,826.59

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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.