Home / 67,143,760.05-100,715,634.60-18,621,613.22

Finding the Fourth Proportional to 67,143,760.05, 100,715,634.60 and 18,621,613.22

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Solution

The fourth proportional to 67,143,760.05, 100,715,634.60 and 18,621,613.22 is: 27,932,418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,143,760.05 : 100,715,634.60 = 18,621,613.22 : x
  2. Step 2: Convert to fraction form
    67,143,760.05/100,715,634.60 = 18,621,613.22/x
  3. Step 3: Cross multiply
    67,143,760.05x = 100,715,634.60 × 18,621,613.22
  4. Step 4: Simplify right side
    67,143,760.05x = 1,875,487,592,728,049.25
  5. Step 5: Solve for x
    x = 1,875,487,592,728,049.25/67,143,760.05
  6. Step 6: Final answer
    x = 27,932,418.31

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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.