Home / 168,501,834.20-252,752,751.30-137,890,832.60

Finding the Fourth Proportional to 168,501,834.20, 252,752,751.30 and 137,890,832.60

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Solution

The fourth proportional to 168,501,834.20, 252,752,751.30 and 137,890,832.60 is: 206,836,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,501,834.20 : 252,752,751.30 = 137,890,832.60 : x
  2. Step 2: Convert to fraction form
    168,501,834.20/252,752,751.30 = 137,890,832.60/x
  3. Step 3: Cross multiply
    168,501,834.20x = 252,752,751.30 × 137,890,832.60
  4. Step 4: Simplify right side
    168,501,834.20x = 34,852,287,318,697,732
  5. Step 5: Solve for x
    x = 34,852,287,318,697,732/168,501,834.20
  6. Step 6: Final answer
    x = 206,836,248.90

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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.