Home / 168,442,804.80-252,664,207.20-102,969,273.60

Finding the Fourth Proportional to 168,442,804.80, 252,664,207.20 and 102,969,273.60

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Solution

The fourth proportional to 168,442,804.80, 252,664,207.20 and 102,969,273.60 is: 154,453,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,442,804.80 : 252,664,207.20 = 102,969,273.60 : x
  2. Step 2: Convert to fraction form
    168,442,804.80/252,664,207.20 = 102,969,273.60/x
  3. Step 3: Cross multiply
    168,442,804.80x = 252,664,207.20 × 102,969,273.60
  4. Step 4: Simplify right side
    168,442,804.80x = 26,016,649,880,103,888
  5. Step 5: Solve for x
    x = 26,016,649,880,103,888/168,442,804.80
  6. Step 6: Final answer
    x = 154,453,910.40

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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.