Home / 204,065,998.80-306,098,998.20-188,122,768.80

Finding the Fourth Proportional to 204,065,998.80, 306,098,998.20 and 188,122,768.80

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Solution

The fourth proportional to 204,065,998.80, 306,098,998.20 and 188,122,768.80 is: 282,184,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,065,998.80 : 306,098,998.20 = 188,122,768.80 : x
  2. Step 2: Convert to fraction form
    204,065,998.80/306,098,998.20 = 188,122,768.80/x
  3. Step 3: Cross multiply
    204,065,998.80x = 306,098,998.20 × 188,122,768.80
  4. Step 4: Simplify right side
    204,065,998.80x = 57,584,191,068,290,216
  5. Step 5: Solve for x
    x = 57,584,191,068,290,216/204,065,998.80
  6. Step 6: Final answer
    x = 282,184,153.20

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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.