Home / 274,192,956.45-378,386,279.89-156,720,808.96

Finding the Fourth Proportional to 274,192,956.45, 378,386,279.89 and 156,720,808.96

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Solution

The fourth proportional to 274,192,956.45, 378,386,279.89 and 156,720,808.96 is: 216,274,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,192,956.45 : 378,386,279.89 = 156,720,808.96 : x
  2. Step 2: Convert to fraction form
    274,192,956.45/378,386,279.89 = 156,720,808.96/x
  3. Step 3: Cross multiply
    274,192,956.45x = 378,386,279.89 × 156,720,808.96
  4. Step 4: Simplify right side
    274,192,956.45x = 59,301,003,882,388,016
  5. Step 5: Solve for x
    x = 59,301,003,882,388,016/274,192,956.45
  6. Step 6: Final answer
    x = 216,274,716.35

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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.