Home / 206,221,383.82-284,586,990.12-112,134,856.56

Finding the Fourth Proportional to 206,221,383.82, 284,586,990.12 and 112,134,856.56

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Solution

The fourth proportional to 206,221,383.82, 284,586,990.12 and 112,134,856.56 is: 154,746,907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,221,383.82 : 284,586,990.12 = 112,134,856.56 : x
  2. Step 2: Convert to fraction form
    206,221,383.82/284,586,990.12 = 112,134,856.56/x
  3. Step 3: Cross multiply
    206,221,383.82x = 284,586,990.12 × 112,134,856.56
  4. Step 4: Simplify right side
    206,221,383.82x = 31,912,121,315,948,340
  5. Step 5: Solve for x
    x = 31,912,121,315,948,340/206,221,383.82
  6. Step 6: Final answer
    x = 154,746,907.06

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1.5x scale

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.