Home / 220,490,965.52-330,736,448.17-82,327,362.48

Finding the Fourth Proportional to 220,490,965.52, 330,736,448.17 and 82,327,362.48

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Solution

The fourth proportional to 220,490,965.52, 330,736,448.17 and 82,327,362.48 is: 123,491,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,490,965.52 : 330,736,448.17 = 82,327,362.48 : x
  2. Step 2: Convert to fraction form
    220,490,965.52/330,736,448.17 = 82,327,362.48/x
  3. Step 3: Cross multiply
    220,490,965.52x = 330,736,448.17 × 82,327,362.48
  4. Step 4: Simplify right side
    220,490,965.52x = 27,228,659,453,942,232
  5. Step 5: Solve for x
    x = 27,228,659,453,942,232/220,490,965.52
  6. Step 6: Final answer
    x = 123,491,043.68

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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.