Home / 45,231,585.72-67,876,074.32-19,324,081.94

Finding the Fourth Proportional to 45,231,585.72, 67,876,074.32 and 19,324,081.94

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Solution

The fourth proportional to 45,231,585.72, 67,876,074.32 and 19,324,081.94 is: 28,998,382.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,231,585.72 : 67,876,074.32 = 19,324,081.94 : x
  2. Step 2: Convert to fraction form
    45,231,585.72/67,876,074.32 = 19,324,081.94/x
  3. Step 3: Cross multiply
    45,231,585.72x = 67,876,074.32 × 19,324,081.94
  4. Step 4: Simplify right side
    45,231,585.72x = 1,311,642,821,489,208.75
  5. Step 5: Solve for x
    x = 1,311,642,821,489,208.75/45,231,585.72
  6. Step 6: Final answer
    x = 28,998,382.45

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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.