Home / 168,499,512.70-252,749,269.05-149,367,636.70

Finding the Fourth Proportional to 168,499,512.70, 252,749,269.05 and 149,367,636.70

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Solution

The fourth proportional to 168,499,512.70, 252,749,269.05 and 149,367,636.70 is: 224,051,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,499,512.70 : 252,749,269.05 = 149,367,636.70 : x
  2. Step 2: Convert to fraction form
    168,499,512.70/252,749,269.05 = 149,367,636.70/x
  3. Step 3: Cross multiply
    168,499,512.70x = 252,749,269.05 × 149,367,636.70
  4. Step 4: Simplify right side
    168,499,512.70x = 37,752,560,995,650,952
  5. Step 5: Solve for x
    x = 37,752,560,995,650,952/168,499,512.70
  6. Step 6: Final answer
    x = 224,051,455.05

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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.