Home / 168,442,849.80-252,664,274.70-102,969,318.60

Finding the Fourth Proportional to 168,442,849.80, 252,664,274.70 and 102,969,318.60

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Solution

The fourth proportional to 168,442,849.80, 252,664,274.70 and 102,969,318.60 is: 154,453,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,442,849.80 : 252,664,274.70 = 102,969,318.60 : x
  2. Step 2: Convert to fraction form
    168,442,849.80/252,664,274.70 = 102,969,318.60/x
  3. Step 3: Cross multiply
    168,442,849.80x = 252,664,274.70 × 102,969,318.60
  4. Step 4: Simplify right side
    168,442,849.80x = 26,016,668,200,422,216
  5. Step 5: Solve for x
    x = 26,016,668,200,422,216/168,442,849.80
  6. Step 6: Final answer
    x = 154,453,977.90

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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.