Home / 217,079,613.80-325,524,942.30-71,456,906.60

Finding the Fourth Proportional to 217,079,613.80, 325,524,942.30 and 71,456,906.60

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Solution

The fourth proportional to 217,079,613.80, 325,524,942.30 and 71,456,906.60 is: 107,154,260.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,079,613.80 : 325,524,942.30 = 71,456,906.60 : x
  2. Step 2: Convert to fraction form
    217,079,613.80/325,524,942.30 = 71,456,906.60/x
  3. Step 3: Cross multiply
    217,079,613.80x = 325,524,942.30 × 71,456,906.60
  4. Step 4: Simplify right side
    217,079,613.80x = 23,261,005,397,901,488
  5. Step 5: Solve for x
    x = 23,261,005,397,901,488/217,079,613.80
  6. Step 6: Final answer
    x = 107,154,260.09

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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.