Home / 168,197,140.80-252,295,711.20-165,929,659.20

Finding the Fourth Proportional to 168,197,140.80, 252,295,711.20 and 165,929,659.20

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Solution

The fourth proportional to 168,197,140.80, 252,295,711.20 and 165,929,659.20 is: 248,894,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,197,140.80 : 252,295,711.20 = 165,929,659.20 : x
  2. Step 2: Convert to fraction form
    168,197,140.80/252,295,711.20 = 165,929,659.20/x
  3. Step 3: Cross multiply
    168,197,140.80x = 252,295,711.20 × 165,929,659.20
  4. Step 4: Simplify right side
    168,197,140.80x = 41,863,341,377,037,616
  5. Step 5: Solve for x
    x = 41,863,341,377,037,616/168,197,140.80
  6. Step 6: Final answer
    x = 248,894,488.80

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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.