Home / 206,757,453.90-310,136,180.85-130,229,949.90

Finding the Fourth Proportional to 206,757,453.90, 310,136,180.85 and 130,229,949.90

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Solution

The fourth proportional to 206,757,453.90, 310,136,180.85 and 130,229,949.90 is: 195,344,924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,757,453.90 : 310,136,180.85 = 130,229,949.90 : x
  2. Step 2: Convert to fraction form
    206,757,453.90/310,136,180.85 = 130,229,949.90/x
  3. Step 3: Cross multiply
    206,757,453.90x = 310,136,180.85 × 130,229,949.90
  4. Step 4: Simplify right side
    206,757,453.90x = 40,389,019,294,272,848
  5. Step 5: Solve for x
    x = 40,389,019,294,272,848/206,757,453.90
  6. Step 6: Final answer
    x = 195,344,924.85

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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.