Home / 268,933,249.89-403,093,871.28-163,656,400.38

Finding the Fourth Proportional to 268,933,249.89, 403,093,871.28 and 163,656,400.38

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Solution

The fourth proportional to 268,933,249.89, 403,093,871.28 and 163,656,400.38 is: 245,298,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,933,249.89 : 403,093,871.28 = 163,656,400.38 : x
  2. Step 2: Convert to fraction form
    268,933,249.89/403,093,871.28 = 163,656,400.38/x
  3. Step 3: Cross multiply
    268,933,249.89x = 403,093,871.28 × 163,656,400.38
  4. Step 4: Simplify right side
    268,933,249.89x = 65,968,891,988,923,856
  5. Step 5: Solve for x
    x = 65,968,891,988,923,856/268,933,249.89
  6. Step 6: Final answer
    x = 245,298,385.44

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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.