Home / 200,626,375.80-300,939,563.70-145,923,382.20

Finding the Fourth Proportional to 200,626,375.80, 300,939,563.70 and 145,923,382.20

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Solution

The fourth proportional to 200,626,375.80, 300,939,563.70 and 145,923,382.20 is: 218,885,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,626,375.80 : 300,939,563.70 = 145,923,382.20 : x
  2. Step 2: Convert to fraction form
    200,626,375.80/300,939,563.70 = 145,923,382.20/x
  3. Step 3: Cross multiply
    200,626,375.80x = 300,939,563.70 × 145,923,382.20
  4. Step 4: Simplify right side
    200,626,375.80x = 43,914,118,972,896,344
  5. Step 5: Solve for x
    x = 43,914,118,972,896,344/200,626,375.80
  6. Step 6: Final answer
    x = 218,885,073.30

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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.