Home / 49,654,186.80-68,521,703.22-28,747,101.02

Finding the Fourth Proportional to 49,654,186.80, 68,521,703.22 and 28,747,101.02

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Solution

The fourth proportional to 49,654,186.80, 68,521,703.22 and 28,747,101.02 is: 39,670,377.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,654,186.80 : 68,521,703.22 = 28,747,101.02 : x
  2. Step 2: Convert to fraction form
    49,654,186.80/68,521,703.22 = 28,747,101.02/x
  3. Step 3: Cross multiply
    49,654,186.80x = 68,521,703.22 × 28,747,101.02
  4. Step 4: Simplify right side
    49,654,186.80x = 1,969,800,324,527,799.25
  5. Step 5: Solve for x
    x = 1,969,800,324,527,799.25/49,654,186.80
  6. Step 6: Final answer
    x = 39,670,377.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.