Home / 168,442,830.30-252,664,245.45-102,969,299.10

Finding the Fourth Proportional to 168,442,830.30, 252,664,245.45 and 102,969,299.10

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Solution

The fourth proportional to 168,442,830.30, 252,664,245.45 and 102,969,299.10 is: 154,453,948.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,442,830.30 : 252,664,245.45 = 102,969,299.10 : x
  2. Step 2: Convert to fraction form
    168,442,830.30/252,664,245.45 = 102,969,299.10/x
  3. Step 3: Cross multiply
    168,442,830.30x = 252,664,245.45 × 102,969,299.10
  4. Step 4: Simplify right side
    168,442,830.30x = 26,016,660,261,616,860
  5. Step 5: Solve for x
    x = 26,016,660,261,616,860/168,442,830.30
  6. Step 6: Final answer
    x = 154,453,948.65

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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.