Home / 311,049,062.48-429,260,738.68-178,890,148.96

Finding the Fourth Proportional to 311,049,062.48, 429,260,738.68 and 178,890,148.96

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Solution

The fourth proportional to 311,049,062.48, 429,260,738.68 and 178,890,148.96 is: 246,875,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,049,062.48 : 429,260,738.68 = 178,890,148.96 : x
  2. Step 2: Convert to fraction form
    311,049,062.48/429,260,738.68 = 178,890,148.96/x
  3. Step 3: Cross multiply
    311,049,062.48x = 429,260,738.68 × 178,890,148.96
  4. Step 4: Simplify right side
    311,049,062.48x = 76,790,517,485,144,832
  5. Step 5: Solve for x
    x = 76,790,517,485,144,832/311,049,062.48
  6. Step 6: Final answer
    x = 246,875,900.78

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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.