Home / 192,456,166.40-288,684,249.60-172,972,620.80

Finding the Fourth Proportional to 192,456,166.40, 288,684,249.60 and 172,972,620.80

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Solution

The fourth proportional to 192,456,166.40, 288,684,249.60 and 172,972,620.80 is: 259,458,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,166.40 : 288,684,249.60 = 172,972,620.80 : x
  2. Step 2: Convert to fraction form
    192,456,166.40/288,684,249.60 = 172,972,620.80/x
  3. Step 3: Cross multiply
    192,456,166.40x = 288,684,249.60 × 172,972,620.80
  4. Step 4: Simplify right side
    192,456,166.40x = 49,934,471,236,993,360
  5. Step 5: Solve for x
    x = 49,934,471,236,993,360/192,456,166.40
  6. Step 6: Final answer
    x = 259,458,931.20

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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.