Home / 65,691,202.08-90,650,200.80-36,320,770.56

Finding the Fourth Proportional to 65,691,202.08, 90,650,200.80 and 36,320,770.56

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Solution

The fourth proportional to 65,691,202.08, 90,650,200.80 and 36,320,770.56 is: 50,120,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,691,202.08 : 90,650,200.80 = 36,320,770.56 : x
  2. Step 2: Convert to fraction form
    65,691,202.08/90,650,200.80 = 36,320,770.56/x
  3. Step 3: Cross multiply
    65,691,202.08x = 90,650,200.80 × 36,320,770.56
  4. Step 4: Simplify right side
    65,691,202.08x = 3,292,485,144,474,728.50
  5. Step 5: Solve for x
    x = 3,292,485,144,474,728.50/65,691,202.08
  6. Step 6: Final answer
    x = 50,120,640.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.