Home / 243,993,969-366,002,724.42-80,228,099.88

Finding the Fourth Proportional to 243,993,969, 366,002,724.42 and 80,228,099.88

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Solution

The fourth proportional to 243,993,969, 366,002,724.42 and 80,228,099.88 is: 120,346,020.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,993,969 : 366,002,724.42 = 80,228,099.88 : x
  2. Step 2: Convert to fraction form
    243,993,969/366,002,724.42 = 80,228,099.88/x
  3. Step 3: Cross multiply
    243,993,969x = 366,002,724.42 × 80,228,099.88
  4. Step 4: Simplify right side
    243,993,969x = 29,363,703,131,119,876
  5. Step 5: Solve for x
    x = 29,363,703,131,119,876/243,993,969
  6. Step 6: Final answer
    x = 120,346,020.24

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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.