Home / 271,022,612.94-406,542,690.77-129,021,356.34

Finding the Fourth Proportional to 271,022,612.94, 406,542,690.77 and 129,021,356.34

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Solution

The fourth proportional to 271,022,612.94, 406,542,690.77 and 129,021,356.34 is: 193,536,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,022,612.94 : 406,542,690.77 = 129,021,356.34 : x
  2. Step 2: Convert to fraction form
    271,022,612.94/406,542,690.77 = 129,021,356.34/x
  3. Step 3: Cross multiply
    271,022,612.94x = 406,542,690.77 × 129,021,356.34
  4. Step 4: Simplify right side
    271,022,612.94x = 52,452,689,372,613,488
  5. Step 5: Solve for x
    x = 52,452,689,372,613,488/271,022,612.94
  6. Step 6: Final answer
    x = 193,536,210.15

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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.