Home / 123,441,551.38-185,203,488.18-82,105,388.45

Finding the Fourth Proportional to 123,441,551.38, 185,203,488.18 and 82,105,388.45

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Solution

The fourth proportional to 123,441,551.38, 185,203,488.18 and 82,105,388.45 is: 123,185,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,441,551.38 : 185,203,488.18 = 82,105,388.45 : x
  2. Step 2: Convert to fraction form
    123,441,551.38/185,203,488.18 = 82,105,388.45/x
  3. Step 3: Cross multiply
    123,441,551.38x = 185,203,488.18 × 82,105,388.45
  4. Step 4: Simplify right side
    123,441,551.38x = 15,206,204,339,313,884
  5. Step 5: Solve for x
    x = 15,206,204,339,313,884/123,441,551.38
  6. Step 6: Final answer
    x = 123,185,460.40

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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.