Home / 271,022,613.70-406,542,691.90-129,021,357.10

Finding the Fourth Proportional to 271,022,613.70, 406,542,691.90 and 129,021,357.10

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Solution

The fourth proportional to 271,022,613.70, 406,542,691.90 and 129,021,357.10 is: 193,536,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,022,613.70 : 406,542,691.90 = 129,021,357.10 : x
  2. Step 2: Convert to fraction form
    271,022,613.70/406,542,691.90 = 129,021,357.10/x
  3. Step 3: Cross multiply
    271,022,613.70x = 406,542,691.90 × 129,021,357.10
  4. Step 4: Simplify right side
    271,022,613.70x = 52,452,689,828,025,168
  5. Step 5: Solve for x
    x = 52,452,689,828,025,168/271,022,613.70
  6. Step 6: Final answer
    x = 193,536,211.28

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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.