Home / 207,635,177.70-311,452,766.55-198,789,200.10

Finding the Fourth Proportional to 207,635,177.70, 311,452,766.55 and 198,789,200.10

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Solution

The fourth proportional to 207,635,177.70, 311,452,766.55 and 198,789,200.10 is: 298,183,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,635,177.70 : 311,452,766.55 = 198,789,200.10 : x
  2. Step 2: Convert to fraction form
    207,635,177.70/311,452,766.55 = 198,789,200.10/x
  3. Step 3: Cross multiply
    207,635,177.70x = 311,452,766.55 × 198,789,200.10
  4. Step 4: Simplify right side
    207,635,177.70x = 61,913,446,331,406,536
  5. Step 5: Solve for x
    x = 61,913,446,331,406,536/207,635,177.70
  6. Step 6: Final answer
    x = 298,183,800.15

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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.