Home / 275,328,020.70-412,992,031.05-192,914,862.30

Finding the Fourth Proportional to 275,328,020.70, 412,992,031.05 and 192,914,862.30

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Solution

The fourth proportional to 275,328,020.70, 412,992,031.05 and 192,914,862.30 is: 289,372,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,328,020.70 : 412,992,031.05 = 192,914,862.30 : x
  2. Step 2: Convert to fraction form
    275,328,020.70/412,992,031.05 = 192,914,862.30/x
  3. Step 3: Cross multiply
    275,328,020.70x = 412,992,031.05 × 192,914,862.30
  4. Step 4: Simplify right side
    275,328,020.70x = 79,672,300,801,008,080
  5. Step 5: Solve for x
    x = 79,672,300,801,008,080/275,328,020.70
  6. Step 6: Final answer
    x = 289,372,293.45

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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.