Home / 131,786,209.89-181,873,723.68-73,051,350.57

Finding the Fourth Proportional to 131,786,209.89, 181,873,723.68 and 73,051,350.57

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Solution

The fourth proportional to 131,786,209.89, 181,873,723.68 and 73,051,350.57 is: 100,815,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,786,209.89 : 181,873,723.68 = 73,051,350.57 : x
  2. Step 2: Convert to fraction form
    131,786,209.89/181,873,723.68 = 73,051,350.57/x
  3. Step 3: Cross multiply
    131,786,209.89x = 181,873,723.68 × 73,051,350.57
  4. Step 4: Simplify right side
    131,786,209.89x = 13,286,121,148,018,990
  5. Step 5: Solve for x
    x = 13,286,121,148,018,990/131,786,209.89
  6. Step 6: Final answer
    x = 100,815,716.30

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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.