Home / 218,436,493.84-327,703,612.92-82,123,058.32

Finding the Fourth Proportional to 218,436,493.84, 327,703,612.92 and 82,123,058.32

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Solution

The fourth proportional to 218,436,493.84, 327,703,612.92 and 82,123,058.32 is: 123,202,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,436,493.84 : 327,703,612.92 = 82,123,058.32 : x
  2. Step 2: Convert to fraction form
    218,436,493.84/327,703,612.92 = 82,123,058.32/x
  3. Step 3: Cross multiply
    218,436,493.84x = 327,703,612.92 × 82,123,058.32
  4. Step 4: Simplify right side
    218,436,493.84x = 26,912,022,915,503,864
  5. Step 5: Solve for x
    x = 26,912,022,915,503,864/218,436,493.84
  6. Step 6: Final answer
    x = 123,202,961.38

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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.