Home / 66,472,586.10-91,747,474.65-38,979,371.70

Finding the Fourth Proportional to 66,472,586.10, 91,747,474.65 and 38,979,371.70

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Solution

The fourth proportional to 66,472,586.10, 91,747,474.65 and 38,979,371.70 is: 53,800,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,472,586.10 : 91,747,474.65 = 38,979,371.70 : x
  2. Step 2: Convert to fraction form
    66,472,586.10/91,747,474.65 = 38,979,371.70/x
  3. Step 3: Cross multiply
    66,472,586.10x = 91,747,474.65 × 38,979,371.70
  4. Step 4: Simplify right side
    66,472,586.10x = 3,576,258,916,918,678
  5. Step 5: Solve for x
    x = 3,576,258,916,918,678/66,472,586.10
  6. Step 6: Final answer
    x = 53,800,508.25

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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.