Home / 198,027,078.08-297,040,208.76-111,726,308.48

Finding the Fourth Proportional to 198,027,078.08, 297,040,208.76 and 111,726,308.48

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Solution

The fourth proportional to 198,027,078.08, 297,040,208.76 and 111,726,308.48 is: 167,589,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,027,078.08 : 297,040,208.76 = 111,726,308.48 : x
  2. Step 2: Convert to fraction form
    198,027,078.08/297,040,208.76 = 111,726,308.48/x
  3. Step 3: Cross multiply
    198,027,078.08x = 297,040,208.76 × 111,726,308.48
  4. Step 4: Simplify right side
    198,027,078.08x = 33,187,205,994,883,360
  5. Step 5: Solve for x
    x = 33,187,205,994,883,360/198,027,078.08
  6. Step 6: Final answer
    x = 167,589,232.32

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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.