Home / 168,520,686.30-252,781,029.45-149,037,140.70

Finding the Fourth Proportional to 168,520,686.30, 252,781,029.45 and 149,037,140.70

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Solution

The fourth proportional to 168,520,686.30, 252,781,029.45 and 149,037,140.70 is: 223,555,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,520,686.30 : 252,781,029.45 = 149,037,140.70 : x
  2. Step 2: Convert to fraction form
    168,520,686.30/252,781,029.45 = 149,037,140.70/x
  3. Step 3: Cross multiply
    168,520,686.30x = 252,781,029.45 × 149,037,140.70
  4. Step 4: Simplify right side
    168,520,686.30x = 37,673,761,852,430,488
  5. Step 5: Solve for x
    x = 37,673,761,852,430,488/168,520,686.30
  6. Step 6: Final answer
    x = 223,555,711.05

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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.