Home / 215,986,381.89-297,951,399.24-131,190,936.09

Finding the Fourth Proportional to 215,986,381.89, 297,951,399.24 and 131,190,936.09

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Solution

The fourth proportional to 215,986,381.89, 297,951,399.24 and 131,190,936.09 is: 180,976,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,986,381.89 : 297,951,399.24 = 131,190,936.09 : x
  2. Step 2: Convert to fraction form
    215,986,381.89/297,951,399.24 = 131,190,936.09/x
  3. Step 3: Cross multiply
    215,986,381.89x = 297,951,399.24 × 131,190,936.09
  4. Step 4: Simplify right side
    215,986,381.89x = 39,088,522,974,131,160
  5. Step 5: Solve for x
    x = 39,088,522,974,131,160/215,986,381.89
  6. Step 6: Final answer
    x = 180,976,794.15

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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.