Home / 199,613,649.60-299,520,007.20-113,418,244.80

Finding the Fourth Proportional to 199,613,649.60, 299,520,007.20 and 113,418,244.80

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Solution

The fourth proportional to 199,613,649.60, 299,520,007.20 and 113,418,244.80 is: 170,183,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,613,649.60 : 299,520,007.20 = 113,418,244.80 : x
  2. Step 2: Convert to fraction form
    199,613,649.60/299,520,007.20 = 113,418,244.80/x
  3. Step 3: Cross multiply
    199,613,649.60x = 299,520,007.20 × 113,418,244.80
  4. Step 4: Simplify right side
    199,613,649.60x = 33,971,033,499,107,360
  5. Step 5: Solve for x
    x = 33,971,033,499,107,360/199,613,649.60
  6. Step 6: Final answer
    x = 170,183,920.62

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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.