Home / 121,322,414.88-181,983,623.04-40,543,382.88

Finding the Fourth Proportional to 121,322,414.88, 181,983,623.04 and 40,543,382.88

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Solution

The fourth proportional to 121,322,414.88, 181,983,623.04 and 40,543,382.88 is: 60,815,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,322,414.88 : 181,983,623.04 = 40,543,382.88 : x
  2. Step 2: Convert to fraction form
    121,322,414.88/181,983,623.04 = 40,543,382.88/x
  3. Step 3: Cross multiply
    121,322,414.88x = 181,983,623.04 × 40,543,382.88
  4. Step 4: Simplify right side
    121,322,414.88x = 7,378,231,706,800,310
  5. Step 5: Solve for x
    x = 7,378,231,706,800,310/121,322,414.88
  6. Step 6: Final answer
    x = 60,815,074.56

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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.