Home / 245,619,191.70-368,428,787.55-225,530,721.90

Finding the Fourth Proportional to 245,619,191.70, 368,428,787.55 and 225,530,721.90

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Solution

The fourth proportional to 245,619,191.70, 368,428,787.55 and 225,530,721.90 is: 338,296,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,619,191.70 : 368,428,787.55 = 225,530,721.90 : x
  2. Step 2: Convert to fraction form
    245,619,191.70/368,428,787.55 = 225,530,721.90/x
  3. Step 3: Cross multiply
    245,619,191.70x = 368,428,787.55 × 225,530,721.90
  4. Step 4: Simplify right side
    245,619,191.70x = 83,092,010,424,893,232
  5. Step 5: Solve for x
    x = 83,092,010,424,893,232/245,619,191.70
  6. Step 6: Final answer
    x = 338,296,082.85

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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.