Home / 80,060,919.78-120,048,224.64-43,192,577.64

Finding the Fourth Proportional to 80,060,919.78, 120,048,224.64 and 43,192,577.64

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Solution

The fourth proportional to 80,060,919.78, 120,048,224.64 and 43,192,577.64 is: 64,765,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,060,919.78 : 120,048,224.64 = 43,192,577.64 : x
  2. Step 2: Convert to fraction form
    80,060,919.78/120,048,224.64 = 43,192,577.64/x
  3. Step 3: Cross multiply
    80,060,919.78x = 120,048,224.64 × 43,192,577.64
  4. Step 4: Simplify right side
    80,060,919.78x = 5,185,192,263,307,361
  5. Step 5: Solve for x
    x = 5,185,192,263,307,361/80,060,919.78
  6. Step 6: Final answer
    x = 64,765,584.48

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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.