Home / 123,441,552.39-185,203,489.68-82,105,389.45

Finding the Fourth Proportional to 123,441,552.39, 185,203,489.68 and 82,105,389.45

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Solution

The fourth proportional to 123,441,552.39, 185,203,489.68 and 82,105,389.45 is: 123,185,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,441,552.39 : 185,203,489.68 = 82,105,389.45 : x
  2. Step 2: Convert to fraction form
    123,441,552.39/185,203,489.68 = 82,105,389.45/x
  3. Step 3: Cross multiply
    123,441,552.39x = 185,203,489.68 × 82,105,389.45
  4. Step 4: Simplify right side
    123,441,552.39x = 15,206,204,647,675,458
  5. Step 5: Solve for x
    x = 15,206,204,647,675,458/123,441,552.39
  6. Step 6: Final answer
    x = 123,185,461.89

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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.