Home / 198,027,030.52-297,040,137.54-111,726,260.92

Finding the Fourth Proportional to 198,027,030.52, 297,040,137.54 and 111,726,260.92

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Solution

The fourth proportional to 198,027,030.52, 297,040,137.54 and 111,726,260.92 is: 167,589,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,027,030.52 : 297,040,137.54 = 111,726,260.92 : x
  2. Step 2: Convert to fraction form
    198,027,030.52/297,040,137.54 = 111,726,260.92/x
  3. Step 3: Cross multiply
    198,027,030.52x = 297,040,137.54 × 111,726,260.92
  4. Step 4: Simplify right side
    198,027,030.52x = 33,187,183,910,506,728
  5. Step 5: Solve for x
    x = 33,187,183,910,506,728/198,027,030.52
  6. Step 6: Final answer
    x = 167,589,161.05

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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.