Home / 42,203,999.80-63,305,999.70-38,508,844.60

Finding the Fourth Proportional to 42,203,999.80, 63,305,999.70 and 38,508,844.60

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Solution

The fourth proportional to 42,203,999.80, 63,305,999.70 and 38,508,844.60 is: 57,763,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,203,999.80 : 63,305,999.70 = 38,508,844.60 : x
  2. Step 2: Convert to fraction form
    42,203,999.80/63,305,999.70 = 38,508,844.60/x
  3. Step 3: Cross multiply
    42,203,999.80x = 63,305,999.70 × 38,508,844.60
  4. Step 4: Simplify right side
    42,203,999.80x = 2,437,840,904,694,947
  5. Step 5: Solve for x
    x = 2,437,840,904,694,947/42,203,999.80
  6. Step 6: Final answer
    x = 57,763,266.90

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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.