Home / 298,993,330.20-448,007,105.70-169,215,000.60

Finding the Fourth Proportional to 298,993,330.20, 448,007,105.70 and 169,215,000.60

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Solution

The fourth proportional to 298,993,330.20, 448,007,105.70 and 169,215,000.60 is: 253,549,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,993,330.20 : 448,007,105.70 = 169,215,000.60 : x
  2. Step 2: Convert to fraction form
    298,993,330.20/448,007,105.70 = 169,215,000.60/x
  3. Step 3: Cross multiply
    298,993,330.20x = 448,007,105.70 × 169,215,000.60
  4. Step 4: Simplify right side
    298,993,330.20x = 75,809,522,659,829,760
  5. Step 5: Solve for x
    x = 75,809,522,659,829,760/298,993,330.20
  6. Step 6: Final answer
    x = 253,549,209.97

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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.