Home / 174,386,198.09-261,488,469.50-82,245,196.25

Finding the Fourth Proportional to 174,386,198.09, 261,488,469.50 and 82,245,196.25

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Solution

The fourth proportional to 174,386,198.09, 261,488,469.50 and 82,245,196.25 is: 123,324,957.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,386,198.09 : 261,488,469.50 = 82,245,196.25 : x
  2. Step 2: Convert to fraction form
    174,386,198.09/261,488,469.50 = 82,245,196.25/x
  3. Step 3: Cross multiply
    174,386,198.09x = 261,488,469.50 × 82,245,196.25
  4. Step 4: Simplify right side
    174,386,198.09x = 21,506,170,489,420,972
  5. Step 5: Solve for x
    x = 21,506,170,489,420,972/174,386,198.09
  6. Step 6: Final answer
    x = 123,324,957.63

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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.