Home / 48,439,680.33-66,792,456.09-39,591,679.76

Finding the Fourth Proportional to 48,439,680.33, 66,792,456.09 and 39,591,679.76

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Solution

The fourth proportional to 48,439,680.33, 66,792,456.09 and 39,591,679.76 is: 54,592,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,439,680.33 : 66,792,456.09 = 39,591,679.76 : x
  2. Step 2: Convert to fraction form
    48,439,680.33/66,792,456.09 = 39,591,679.76/x
  3. Step 3: Cross multiply
    48,439,680.33x = 66,792,456.09 × 39,591,679.76
  4. Step 4: Simplify right side
    48,439,680.33x = 2,644,425,531,899,141.50
  5. Step 5: Solve for x
    x = 2,644,425,531,899,141.50/48,439,680.33
  6. Step 6: Final answer
    x = 54,592,134.26

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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.