Home / 148,715,998.20-223,073,997.30-138,638,302.20

Finding the Fourth Proportional to 148,715,998.20, 223,073,997.30 and 138,638,302.20

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Solution

The fourth proportional to 148,715,998.20, 223,073,997.30 and 138,638,302.20 is: 207,957,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,715,998.20 : 223,073,997.30 = 138,638,302.20 : x
  2. Step 2: Convert to fraction form
    148,715,998.20/223,073,997.30 = 138,638,302.20/x
  3. Step 3: Cross multiply
    148,715,998.20x = 223,073,997.30 × 138,638,302.20
  4. Step 4: Simplify right side
    148,715,998.20x = 30,926,600,250,639,384
  5. Step 5: Solve for x
    x = 30,926,600,250,639,384/148,715,998.20
  6. Step 6: Final answer
    x = 207,957,453.30

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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.