Home / 66,472,405.73-91,747,225.41-38,979,191.33

Finding the Fourth Proportional to 66,472,405.73, 91,747,225.41 and 38,979,191.33

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Solution

The fourth proportional to 66,472,405.73, 91,747,225.41 and 38,979,191.33 is: 53,800,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,472,405.73 : 91,747,225.41 = 38,979,191.33 : x
  2. Step 2: Convert to fraction form
    66,472,405.73/91,747,225.41 = 38,979,191.33/x
  3. Step 3: Cross multiply
    66,472,405.73x = 91,747,225.41 × 38,979,191.33
  4. Step 4: Simplify right side
    66,472,405.73x = 3,576,232,653,253,027.50
  5. Step 5: Solve for x
    x = 3,576,232,653,253,027.50/66,472,405.73
  6. Step 6: Final answer
    x = 53,800,259.13

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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.