Home / 168,442,833.80-252,664,250.70-102,969,302.60

Finding the Fourth Proportional to 168,442,833.80, 252,664,250.70 and 102,969,302.60

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Solution

The fourth proportional to 168,442,833.80, 252,664,250.70 and 102,969,302.60 is: 154,453,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,442,833.80 : 252,664,250.70 = 102,969,302.60 : x
  2. Step 2: Convert to fraction form
    168,442,833.80/252,664,250.70 = 102,969,302.60/x
  3. Step 3: Cross multiply
    168,442,833.80x = 252,664,250.70 × 102,969,302.60
  4. Step 4: Simplify right side
    168,442,833.80x = 26,016,661,686,530,560
  5. Step 5: Solve for x
    x = 26,016,661,686,530,560/168,442,833.80
  6. Step 6: Final answer
    x = 154,453,953.90

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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.