Home / 140,885,361.31-194,399,873.04-80,533,493.54

Finding the Fourth Proportional to 140,885,361.31, 194,399,873.04 and 80,533,493.54

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Solution

The fourth proportional to 140,885,361.31, 194,399,873.04 and 80,533,493.54 is: 111,123,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,885,361.31 : 194,399,873.04 = 80,533,493.54 : x
  2. Step 2: Convert to fraction form
    140,885,361.31/194,399,873.04 = 80,533,493.54/x
  3. Step 3: Cross multiply
    140,885,361.31x = 194,399,873.04 × 80,533,493.54
  4. Step 4: Simplify right side
    140,885,361.31x = 15,655,700,919,643,660
  5. Step 5: Solve for x
    x = 15,655,700,919,643,660/140,885,361.31
  6. Step 6: Final answer
    x = 111,123,687.90

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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.