Home / 218,436,480.59-327,703,593.05-82,123,045.07

Finding the Fourth Proportional to 218,436,480.59, 327,703,593.05 and 82,123,045.07

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Solution

The fourth proportional to 218,436,480.59, 327,703,593.05 and 82,123,045.07 is: 123,202,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,436,480.59 : 327,703,593.05 = 82,123,045.07 : x
  2. Step 2: Convert to fraction form
    218,436,480.59/327,703,593.05 = 82,123,045.07/x
  3. Step 3: Cross multiply
    218,436,480.59x = 327,703,593.05 × 82,123,045.07
  4. Step 4: Simplify right side
    218,436,480.59x = 26,912,016,941,646,088
  5. Step 5: Solve for x
    x = 26,912,016,941,646,088/218,436,480.59
  6. Step 6: Final answer
    x = 123,202,941.51

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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.