Home / 272,245,674.70-408,368,512.05-90,469,233.10

Finding the Fourth Proportional to 272,245,674.70, 408,368,512.05 and 90,469,233.10

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Solution

The fourth proportional to 272,245,674.70, 408,368,512.05 and 90,469,233.10 is: 135,703,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,245,674.70 : 408,368,512.05 = 90,469,233.10 : x
  2. Step 2: Convert to fraction form
    272,245,674.70/408,368,512.05 = 90,469,233.10/x
  3. Step 3: Cross multiply
    272,245,674.70x = 408,368,512.05 × 90,469,233.10
  4. Step 4: Simplify right side
    272,245,674.70x = 36,944,786,107,351,608
  5. Step 5: Solve for x
    x = 36,944,786,107,351,608/272,245,674.70
  6. Step 6: Final answer
    x = 135,703,849.65

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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.