Home / 121,218,331.27-181,789,185.11-43,493,498.08

Finding the Fourth Proportional to 121,218,331.27, 181,789,185.11 and 43,493,498.08

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Solution

The fourth proportional to 121,218,331.27, 181,789,185.11 and 43,493,498.08 is: 65,226,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,218,331.27 : 181,789,185.11 = 43,493,498.08 : x
  2. Step 2: Convert to fraction form
    121,218,331.27/181,789,185.11 = 43,493,498.08/x
  3. Step 3: Cross multiply
    121,218,331.27x = 181,789,185.11 × 43,493,498.08
  4. Step 4: Simplify right side
    121,218,331.27x = 7,906,647,573,546,550
  5. Step 5: Solve for x
    x = 7,906,647,573,546,550/121,218,331.27
  6. Step 6: Final answer
    x = 65,226,500.73

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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.