Home / 147,115,443.75-203,016,832.25-81,042,122.33

Finding the Fourth Proportional to 147,115,443.75, 203,016,832.25 and 81,042,122.33

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Solution

The fourth proportional to 147,115,443.75, 203,016,832.25 and 81,042,122.33 is: 111,836,762.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,115,443.75 : 203,016,832.25 = 81,042,122.33 : x
  2. Step 2: Convert to fraction form
    147,115,443.75/203,016,832.25 = 81,042,122.33/x
  3. Step 3: Cross multiply
    147,115,443.75x = 203,016,832.25 × 81,042,122.33
  4. Step 4: Simplify right side
    147,115,443.75x = 16,452,914,953,594,608
  5. Step 5: Solve for x
    x = 16,452,914,953,594,608/147,115,443.75
  6. Step 6: Final answer
    x = 111,836,762.58

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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.