Home / 271,022,614.20-406,542,692.64-129,021,357.60

Finding the Fourth Proportional to 271,022,614.20, 406,542,692.64 and 129,021,357.60

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Solution

The fourth proportional to 271,022,614.20, 406,542,692.64 and 129,021,357.60 is: 193,536,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,022,614.20 : 406,542,692.64 = 129,021,357.60 : x
  2. Step 2: Convert to fraction form
    271,022,614.20/406,542,692.64 = 129,021,357.60/x
  3. Step 3: Cross multiply
    271,022,614.20x = 406,542,692.64 × 129,021,357.60
  4. Step 4: Simplify right side
    271,022,614.20x = 52,452,690,126,772,320
  5. Step 5: Solve for x
    x = 52,452,690,126,772,320/271,022,614.20
  6. Step 6: Final answer
    x = 193,536,212.03

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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.