Home / 69,982,242.74-105,109,586.25-57,037,958.36

Finding the Fourth Proportional to 69,982,242.74, 105,109,586.25 and 57,037,958.36

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Solution

The fourth proportional to 69,982,242.74, 105,109,586.25 and 57,037,958.36 is: 85,667,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,982,242.74 : 105,109,586.25 = 57,037,958.36 : x
  2. Step 2: Convert to fraction form
    69,982,242.74/105,109,586.25 = 57,037,958.36/x
  3. Step 3: Cross multiply
    69,982,242.74x = 105,109,586.25 × 57,037,958.36
  4. Step 4: Simplify right side
    69,982,242.74x = 5,995,236,203,764,328
  5. Step 5: Solve for x
    x = 5,995,236,203,764,328/69,982,242.74
  6. Step 6: Final answer
    x = 85,667,963.32

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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.