Home / 199,589,028.90-299,383,543.35-122,998,539.30

Finding the Fourth Proportional to 199,589,028.90, 299,383,543.35 and 122,998,539.30

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Solution

The fourth proportional to 199,589,028.90, 299,383,543.35 and 122,998,539.30 is: 184,497,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,589,028.90 : 299,383,543.35 = 122,998,539.30 : x
  2. Step 2: Convert to fraction form
    199,589,028.90/299,383,543.35 = 122,998,539.30/x
  3. Step 3: Cross multiply
    199,589,028.90x = 299,383,543.35 × 122,998,539.30
  4. Step 4: Simplify right side
    199,589,028.90x = 36,823,738,522,508,232
  5. Step 5: Solve for x
    x = 36,823,738,522,508,232/199,589,028.90
  6. Step 6: Final answer
    x = 184,497,808.95

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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.