Home / 243,568,721.70-365,353,082.55-219,382,251.30

Finding the Fourth Proportional to 243,568,721.70, 365,353,082.55 and 219,382,251.30

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Solution

The fourth proportional to 243,568,721.70, 365,353,082.55 and 219,382,251.30 is: 329,073,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,568,721.70 : 365,353,082.55 = 219,382,251.30 : x
  2. Step 2: Convert to fraction form
    243,568,721.70/365,353,082.55 = 219,382,251.30/x
  3. Step 3: Cross multiply
    243,568,721.70x = 365,353,082.55 × 219,382,251.30
  4. Step 4: Simplify right side
    243,568,721.70x = 80,151,981,769,213,744
  5. Step 5: Solve for x
    x = 80,151,981,769,213,744/243,568,721.70
  6. Step 6: Final answer
    x = 329,073,376.95

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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.