Home / 199,286,721.60-298,930,082.40-167,541,979.20

Finding the Fourth Proportional to 199,286,721.60, 298,930,082.40 and 167,541,979.20

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Solution

The fourth proportional to 199,286,721.60, 298,930,082.40 and 167,541,979.20 is: 251,312,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,286,721.60 : 298,930,082.40 = 167,541,979.20 : x
  2. Step 2: Convert to fraction form
    199,286,721.60/298,930,082.40 = 167,541,979.20/x
  3. Step 3: Cross multiply
    199,286,721.60x = 298,930,082.40 × 167,541,979.20
  4. Step 4: Simplify right side
    199,286,721.60x = 50,083,337,647,715,080
  5. Step 5: Solve for x
    x = 50,083,337,647,715,080/199,286,721.60
  6. Step 6: Final answer
    x = 251,312,968.80

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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.