Home / 100,328,791.95-150,493,187.93-66,002,132.03

Finding the Fourth Proportional to 100,328,791.95, 150,493,187.93 and 66,002,132.03

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Solution

The fourth proportional to 100,328,791.95, 150,493,187.93 and 66,002,132.03 is: 99,003,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,328,791.95 : 150,493,187.93 = 66,002,132.03 : x
  2. Step 2: Convert to fraction form
    100,328,791.95/150,493,187.93 = 66,002,132.03/x
  3. Step 3: Cross multiply
    100,328,791.95x = 150,493,187.93 × 66,002,132.03
  4. Step 4: Simplify right side
    100,328,791.95x = 9,932,871,258,288,986
  5. Step 5: Solve for x
    x = 9,932,871,258,288,986/100,328,791.95
  6. Step 6: Final answer
    x = 99,003,198.04

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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.