Home / 168,385,195.50-252,577,793.43-40,734,379.50

Finding the Fourth Proportional to 168,385,195.50, 252,577,793.43 and 40,734,379.50

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Solution

The fourth proportional to 168,385,195.50, 252,577,793.43 and 40,734,379.50 is: 61,101,569.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,385,195.50 : 252,577,793.43 = 40,734,379.50 : x
  2. Step 2: Convert to fraction form
    168,385,195.50/252,577,793.43 = 40,734,379.50/x
  3. Step 3: Cross multiply
    168,385,195.50x = 252,577,793.43 × 40,734,379.50
  4. Step 4: Simplify right side
    168,385,195.50x = 10,288,599,690,850,226
  5. Step 5: Solve for x
    x = 10,288,599,690,850,226/168,385,195.50
  6. Step 6: Final answer
    x = 61,101,569.29

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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.