Home / 206,486,488.11-309,733,016.44-114,952,023.39

Finding the Fourth Proportional to 206,486,488.11, 309,733,016.44 and 114,952,023.39

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Solution

The fourth proportional to 206,486,488.11, 309,733,016.44 and 114,952,023.39 is: 172,429,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,486,488.11 : 309,733,016.44 = 114,952,023.39 : x
  2. Step 2: Convert to fraction form
    206,486,488.11/309,733,016.44 = 114,952,023.39/x
  3. Step 3: Cross multiply
    206,486,488.11x = 309,733,016.44 × 114,952,023.39
  4. Step 4: Simplify right side
    206,486,488.11x = 35,604,436,950,466,136
  5. Step 5: Solve for x
    x = 35,604,436,950,466,136/206,486,488.11
  6. Step 6: Final answer
    x = 172,429,863.46

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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.