Home / 215,986,381.62-297,951,398.90-131,190,935.82

Finding the Fourth Proportional to 215,986,381.62, 297,951,398.90 and 131,190,935.82

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Solution

The fourth proportional to 215,986,381.62, 297,951,398.90 and 131,190,935.82 is: 180,976,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,986,381.62 : 297,951,398.90 = 131,190,935.82 : x
  2. Step 2: Convert to fraction form
    215,986,381.62/297,951,398.90 = 131,190,935.82/x
  3. Step 3: Cross multiply
    215,986,381.62x = 297,951,398.90 × 131,190,935.82
  4. Step 4: Simplify right side
    215,986,381.62x = 39,088,522,849,913,160
  5. Step 5: Solve for x
    x = 39,088,522,849,913,160/215,986,381.62
  6. Step 6: Final answer
    x = 180,976,793.80

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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.