Home / 198,922,022.09-272,524,142.67-191,466,471.45

Finding the Fourth Proportional to 198,922,022.09, 272,524,142.67 and 191,466,471.45

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Solution

The fourth proportional to 198,922,022.09, 272,524,142.67 and 191,466,471.45 is: 262,310,001.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,922,022.09 : 272,524,142.67 = 191,466,471.45 : x
  2. Step 2: Convert to fraction form
    198,922,022.09/272,524,142.67 = 191,466,471.45/x
  3. Step 3: Cross multiply
    198,922,022.09x = 272,524,142.67 × 191,466,471.45
  4. Step 4: Simplify right side
    198,922,022.09x = 52,179,235,981,961,280
  5. Step 5: Solve for x
    x = 52,179,235,981,961,280/198,922,022.09
  6. Step 6: Final answer
    x = 262,310,001.85

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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.