Home / 101,479,962.44-140,042,439.24-55,070,216.22

Finding the Fourth Proportional to 101,479,962.44, 140,042,439.24 and 55,070,216.22

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Solution

The fourth proportional to 101,479,962.44, 140,042,439.24 and 55,070,216.22 is: 75,996,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,479,962.44 : 140,042,439.24 = 55,070,216.22 : x
  2. Step 2: Convert to fraction form
    101,479,962.44/140,042,439.24 = 55,070,216.22/x
  3. Step 3: Cross multiply
    101,479,962.44x = 140,042,439.24 × 55,070,216.22
  4. Step 4: Simplify right side
    101,479,962.44x = 7,712,167,408,923,013
  5. Step 5: Solve for x
    x = 7,712,167,408,923,013/101,479,962.44
  6. Step 6: Final answer
    x = 75,996,947.81

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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.