Home / 198,922,018.33-272,524,137.53-191,466,467.69

Finding the Fourth Proportional to 198,922,018.33, 272,524,137.53 and 191,466,467.69

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Solution

The fourth proportional to 198,922,018.33, 272,524,137.53 and 191,466,467.69 is: 262,309,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,922,018.33 : 272,524,137.53 = 191,466,467.69 : x
  2. Step 2: Convert to fraction form
    198,922,018.33/272,524,137.53 = 191,466,467.69/x
  3. Step 3: Cross multiply
    198,922,018.33x = 272,524,137.53 × 191,466,467.69
  4. Step 4: Simplify right side
    198,922,018.33x = 52,179,233,972,856,832
  5. Step 5: Solve for x
    x = 52,179,233,972,856,832/198,922,018.33
  6. Step 6: Final answer
    x = 262,309,996.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.