Home / 159,125,284.45-238,687,992.87-71,584,550.65

Finding the Fourth Proportional to 159,125,284.45, 238,687,992.87 and 71,584,550.65

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Solution

The fourth proportional to 159,125,284.45, 238,687,992.87 and 71,584,550.65 is: 107,376,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,125,284.45 : 238,687,992.87 = 71,584,550.65 : x
  2. Step 2: Convert to fraction form
    159,125,284.45/238,687,992.87 = 71,584,550.65/x
  3. Step 3: Cross multiply
    159,125,284.45x = 238,687,992.87 × 71,584,550.65
  4. Step 4: Simplify right side
    159,125,284.45x = 17,086,372,715,149,356
  5. Step 5: Solve for x
    x = 17,086,372,715,149,356/159,125,284.45
  6. Step 6: Final answer
    x = 107,376,855.75

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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.