Home / 215,956,872.92-298,226,310.17-204,191,680.29

Finding the Fourth Proportional to 215,956,872.92, 298,226,310.17 and 204,191,680.29

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Solution

The fourth proportional to 215,956,872.92, 298,226,310.17 and 204,191,680.29 is: 281,979,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,956,872.92 : 298,226,310.17 = 204,191,680.29 : x
  2. Step 2: Convert to fraction form
    215,956,872.92/298,226,310.17 = 204,191,680.29/x
  3. Step 3: Cross multiply
    215,956,872.92x = 298,226,310.17 × 204,191,680.29
  4. Step 4: Simplify right side
    215,956,872.92x = 60,895,331,380,809,496
  5. Step 5: Solve for x
    x = 60,895,331,380,809,496/215,956,872.92
  6. Step 6: Final answer
    x = 281,979,131.10

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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.