Home / 115,915,012.72-173,878,474.92-29,654,167.84

Finding the Fourth Proportional to 115,915,012.72, 173,878,474.92 and 29,654,167.84

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Solution

The fourth proportional to 115,915,012.72, 173,878,474.92 and 29,654,167.84 is: 44,482,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,915,012.72 : 173,878,474.92 = 29,654,167.84 : x
  2. Step 2: Convert to fraction form
    115,915,012.72/173,878,474.92 = 29,654,167.84/x
  3. Step 3: Cross multiply
    115,915,012.72x = 173,878,474.92 × 29,654,167.84
  4. Step 4: Simplify right side
    115,915,012.72x = 5,156,221,479,040,910
  5. Step 5: Solve for x
    x = 5,156,221,479,040,910/115,915,012.72
  6. Step 6: Final answer
    x = 44,482,775.42

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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.