Home / 271,022,578.53-406,542,639.03-129,021,321.90

Finding the Fourth Proportional to 271,022,578.53, 406,542,639.03 and 129,021,321.90

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Solution

The fourth proportional to 271,022,578.53, 406,542,639.03 and 129,021,321.90 is: 193,536,158.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,022,578.53 : 406,542,639.03 = 129,021,321.90 : x
  2. Step 2: Convert to fraction form
    271,022,578.53/406,542,639.03 = 129,021,321.90/x
  3. Step 3: Cross multiply
    271,022,578.53x = 406,542,639.03 × 129,021,321.90
  4. Step 4: Simplify right side
    271,022,578.53x = 52,452,668,696,365,136
  5. Step 5: Solve for x
    x = 52,452,668,696,365,136/271,022,578.53
  6. Step 6: Final answer
    x = 193,536,158.43

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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.