Home / 271,022,611.69-406,542,688.89-129,021,355.09

Finding the Fourth Proportional to 271,022,611.69, 406,542,688.89 and 129,021,355.09

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Solution

The fourth proportional to 271,022,611.69, 406,542,688.89 and 129,021,355.09 is: 193,536,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,022,611.69 : 406,542,688.89 = 129,021,355.09 : x
  2. Step 2: Convert to fraction form
    271,022,611.69/406,542,688.89 = 129,021,355.09/x
  3. Step 3: Cross multiply
    271,022,611.69x = 406,542,688.89 × 129,021,355.09
  4. Step 4: Simplify right side
    271,022,611.69x = 52,452,688,622,520,088
  5. Step 5: Solve for x
    x = 52,452,688,622,520,088/271,022,611.69
  6. Step 6: Final answer
    x = 193,536,208.27

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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.