Home / 275,288,129.70-412,932,194.55-166,449,012.90

Finding the Fourth Proportional to 275,288,129.70, 412,932,194.55 and 166,449,012.90

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Solution

The fourth proportional to 275,288,129.70, 412,932,194.55 and 166,449,012.90 is: 249,673,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,288,129.70 : 412,932,194.55 = 166,449,012.90 : x
  2. Step 2: Convert to fraction form
    275,288,129.70/412,932,194.55 = 166,449,012.90/x
  3. Step 3: Cross multiply
    275,288,129.70x = 412,932,194.55 × 166,449,012.90
  4. Step 4: Simplify right side
    275,288,129.70x = 68,732,156,177,478,264
  5. Step 5: Solve for x
    x = 68,732,156,177,478,264/275,288,129.70
  6. Step 6: Final answer
    x = 249,673,519.35

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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.