Home / 297,946,618.11-446,920,173.41-142,463,843.28

Finding the Fourth Proportional to 297,946,618.11, 446,920,173.41 and 142,463,843.28

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Solution

The fourth proportional to 297,946,618.11, 446,920,173.41 and 142,463,843.28 is: 213,695,882.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,946,618.11 : 446,920,173.41 = 142,463,843.28 : x
  2. Step 2: Convert to fraction form
    297,946,618.11/446,920,173.41 = 142,463,843.28/x
  3. Step 3: Cross multiply
    297,946,618.11x = 446,920,173.41 × 142,463,843.28
  4. Step 4: Simplify right side
    297,946,618.11x = 63,669,965,542,640,344
  5. Step 5: Solve for x
    x = 63,669,965,542,640,344/297,946,618.11
  6. Step 6: Final answer
    x = 213,695,882.66

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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.