Home / 206,979,377.18-285,634,908.06-112,893,500.27

Finding the Fourth Proportional to 206,979,377.18, 285,634,908.06 and 112,893,500.27

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Solution

The fourth proportional to 206,979,377.18, 285,634,908.06 and 112,893,500.27 is: 155,794,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,979,377.18 : 285,634,908.06 = 112,893,500.27 : x
  2. Step 2: Convert to fraction form
    206,979,377.18/285,634,908.06 = 112,893,500.27/x
  3. Step 3: Cross multiply
    206,979,377.18x = 285,634,908.06 × 112,893,500.27
  4. Step 4: Simplify right side
    206,979,377.18x = 32,246,324,569,628,568
  5. Step 5: Solve for x
    x = 32,246,324,569,628,568/206,979,377.18
  6. Step 6: Final answer
    x = 155,794,867.15

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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.