Home / 225,007,876.90-339,198,294.26-210,008,784.52

Finding the Fourth Proportional to 225,007,876.90, 339,198,294.26 and 210,008,784.52

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Solution

The fourth proportional to 225,007,876.90, 339,198,294.26 and 210,008,784.52 is: 316,587,234.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,007,876.90 : 339,198,294.26 = 210,008,784.52 : x
  2. Step 2: Convert to fraction form
    225,007,876.90/339,198,294.26 = 210,008,784.52/x
  3. Step 3: Cross multiply
    225,007,876.90x = 339,198,294.26 × 210,008,784.52
  4. Step 4: Simplify right side
    225,007,876.90x = 71,234,621,488,799,896
  5. Step 5: Solve for x
    x = 71,234,621,488,799,896/225,007,876.90
  6. Step 6: Final answer
    x = 316,587,234.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.