Home / 275,391,173.28-380,049,146.42-149,948,234.24

Finding the Fourth Proportional to 275,391,173.28, 380,049,146.42 and 149,948,234.24

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Solution

The fourth proportional to 275,391,173.28, 380,049,146.42 and 149,948,234.24 is: 206,933,641.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,391,173.28 : 380,049,146.42 = 149,948,234.24 : x
  2. Step 2: Convert to fraction form
    275,391,173.28/380,049,146.42 = 149,948,234.24/x
  3. Step 3: Cross multiply
    275,391,173.28x = 380,049,146.42 × 149,948,234.24
  4. Step 4: Simplify right side
    275,391,173.28x = 56,987,698,431,494,752
  5. Step 5: Solve for x
    x = 56,987,698,431,494,752/275,391,173.28
  6. Step 6: Final answer
    x = 206,933,641.89

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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.