Home / 84,013,233.48-125,851,757.40-66,770,531.82

Finding the Fourth Proportional to 84,013,233.48, 125,851,757.40 and 66,770,531.82

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Solution

The fourth proportional to 84,013,233.48, 125,851,757.40 and 66,770,531.82 is: 100,022,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,013,233.48 : 125,851,757.40 = 66,770,531.82 : x
  2. Step 2: Convert to fraction form
    84,013,233.48/125,851,757.40 = 66,770,531.82/x
  3. Step 3: Cross multiply
    84,013,233.48x = 125,851,757.40 × 66,770,531.82
  4. Step 4: Simplify right side
    84,013,233.48x = 8,403,188,772,079,621
  5. Step 5: Solve for x
    x = 8,403,188,772,079,621/84,013,233.48
  6. Step 6: Final answer
    x = 100,022,203.93

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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.