Home / 185,910,174.75-278,326,747.13-140,045,204.91

Finding the Fourth Proportional to 185,910,174.75, 278,326,747.13 and 140,045,204.91

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Solution

The fourth proportional to 185,910,174.75, 278,326,747.13 and 140,045,204.91 is: 209,662,146.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,910,174.75 : 278,326,747.13 = 140,045,204.91 : x
  2. Step 2: Convert to fraction form
    185,910,174.75/278,326,747.13 = 140,045,204.91/x
  3. Step 3: Cross multiply
    185,910,174.75x = 278,326,747.13 × 140,045,204.91
  4. Step 4: Simplify right side
    185,910,174.75x = 38,978,326,333,054,376
  5. Step 5: Solve for x
    x = 38,978,326,333,054,376/185,910,174.75
  6. Step 6: Final answer
    x = 209,662,146.71

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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.