Home / 222,873,198.28-307,563,408.66-123,753,459.40

Finding the Fourth Proportional to 222,873,198.28, 307,563,408.66 and 123,753,459.40

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Solution

The fourth proportional to 222,873,198.28, 307,563,408.66 and 123,753,459.40 is: 170,778,882.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,873,198.28 : 307,563,408.66 = 123,753,459.40 : x
  2. Step 2: Convert to fraction form
    222,873,198.28/307,563,408.66 = 123,753,459.40/x
  3. Step 3: Cross multiply
    222,873,198.28x = 307,563,408.66 × 123,753,459.40
  4. Step 4: Simplify right side
    222,873,198.28x = 38,062,035,806,530,920
  5. Step 5: Solve for x
    x = 38,062,035,806,530,920/222,873,198.28
  6. Step 6: Final answer
    x = 170,778,882.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.