Home / 66,521,592.54-99,782,388.82-21,083,387.04

Finding the Fourth Proportional to 66,521,592.54, 99,782,388.82 and 21,083,387.04

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Solution

The fourth proportional to 66,521,592.54, 99,782,388.82 and 21,083,387.04 is: 31,625,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,521,592.54 : 99,782,388.82 = 21,083,387.04 : x
  2. Step 2: Convert to fraction form
    66,521,592.54/99,782,388.82 = 21,083,387.04/x
  3. Step 3: Cross multiply
    66,521,592.54x = 99,782,388.82 × 21,083,387.04
  4. Step 4: Simplify right side
    66,521,592.54x = 2,103,750,723,294,183.25
  5. Step 5: Solve for x
    x = 2,103,750,723,294,183.25/66,521,592.54
  6. Step 6: Final answer
    x = 31,625,080.56

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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.