Home / 168,502,433.70-252,753,650.55-137,891,432.10

Finding the Fourth Proportional to 168,502,433.70, 252,753,650.55 and 137,891,432.10

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Solution

The fourth proportional to 168,502,433.70, 252,753,650.55 and 137,891,432.10 is: 206,837,148.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,502,433.70 : 252,753,650.55 = 137,891,432.10 : x
  2. Step 2: Convert to fraction form
    168,502,433.70/252,753,650.55 = 137,891,432.10/x
  3. Step 3: Cross multiply
    168,502,433.70x = 252,753,650.55 × 137,891,432.10
  4. Step 4: Simplify right side
    168,502,433.70x = 34,852,562,842,842,452
  5. Step 5: Solve for x
    x = 34,852,562,842,842,452/168,502,433.70
  6. Step 6: Final answer
    x = 206,837,148.15

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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.