Home / 72,412,590.88-108,687,144.85-26,398,934.65

Finding the Fourth Proportional to 72,412,590.88, 108,687,144.85 and 26,398,934.65

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Solution

The fourth proportional to 72,412,590.88, 108,687,144.85 and 26,398,934.65 is: 39,623,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,412,590.88 : 108,687,144.85 = 26,398,934.65 : x
  2. Step 2: Convert to fraction form
    72,412,590.88/108,687,144.85 = 26,398,934.65/x
  3. Step 3: Cross multiply
    72,412,590.88x = 108,687,144.85 × 26,398,934.65
  4. Step 4: Simplify right side
    72,412,590.88x = 2,869,224,833,852,519
  5. Step 5: Solve for x
    x = 2,869,224,833,852,519/72,412,590.88
  6. Step 6: Final answer
    x = 39,623,286.49

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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.