Home / 206,221,390.12-284,586,998.82-112,134,862.84

Finding the Fourth Proportional to 206,221,390.12, 284,586,998.82 and 112,134,862.84

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Solution

The fourth proportional to 206,221,390.12, 284,586,998.82 and 112,134,862.84 is: 154,746,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,221,390.12 : 284,586,998.82 = 112,134,862.84 : x
  2. Step 2: Convert to fraction form
    206,221,390.12/284,586,998.82 = 112,134,862.84/x
  3. Step 3: Cross multiply
    206,221,390.12x = 284,586,998.82 × 112,134,862.84
  4. Step 4: Simplify right side
    206,221,390.12x = 31,912,124,078,727,944
  5. Step 5: Solve for x
    x = 31,912,124,078,727,944/206,221,390.12
  6. Step 6: Final answer
    x = 154,746,915.73

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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.