Home / 158,965,539.46-238,540,843.59-66,842,610.82

Finding the Fourth Proportional to 158,965,539.46, 238,540,843.59 and 66,842,610.82

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Solution

The fourth proportional to 158,965,539.46, 238,540,843.59 and 66,842,610.82 is: 100,302,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,965,539.46 : 238,540,843.59 = 66,842,610.82 : x
  2. Step 2: Convert to fraction form
    158,965,539.46/238,540,843.59 = 66,842,610.82/x
  3. Step 3: Cross multiply
    158,965,539.46x = 238,540,843.59 × 66,842,610.82
  4. Step 4: Simplify right side
    158,965,539.46x = 15,944,692,772,760,862
  5. Step 5: Solve for x
    x = 15,944,692,772,760,862/158,965,539.46
  6. Step 6: Final answer
    x = 100,302,825.55

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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.