Home / 101,669,012.88-140,304,089.16-55,259,254.44

Finding the Fourth Proportional to 101,669,012.88, 140,304,089.16 and 55,259,254.44

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Solution

The fourth proportional to 101,669,012.88, 140,304,089.16 and 55,259,254.44 is: 76,258,233.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,669,012.88 : 140,304,089.16 = 55,259,254.44 : x
  2. Step 2: Convert to fraction form
    101,669,012.88/140,304,089.16 = 55,259,254.44/x
  3. Step 3: Cross multiply
    101,669,012.88x = 140,304,089.16 × 55,259,254.44
  4. Step 4: Simplify right side
    101,669,012.88x = 7,753,099,361,864,885
  5. Step 5: Solve for x
    x = 7,753,099,361,864,885/101,669,012.88
  6. Step 6: Final answer
    x = 76,258,233.87

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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.