Home / 199,223,183.08-298,221,861.62-129,986,904.20

Finding the Fourth Proportional to 199,223,183.08, 298,221,861.62 and 129,986,904.20

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Solution

The fourth proportional to 199,223,183.08, 298,221,861.62 and 129,986,904.20 is: 194,580,449.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,223,183.08 : 298,221,861.62 = 129,986,904.20 : x
  2. Step 2: Convert to fraction form
    199,223,183.08/298,221,861.62 = 129,986,904.20/x
  3. Step 3: Cross multiply
    199,223,183.08x = 298,221,861.62 × 129,986,904.20
  4. Step 4: Simplify right side
    199,223,183.08x = 38,764,936,556,744,600
  5. Step 5: Solve for x
    x = 38,764,936,556,744,600/199,223,183.08
  6. Step 6: Final answer
    x = 194,580,449.71

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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.