Home / 218,272,591.80-327,215,223.72-80,066,408.67

Finding the Fourth Proportional to 218,272,591.80, 327,215,223.72 and 80,066,408.67

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Solution

The fourth proportional to 218,272,591.80, 327,215,223.72 and 80,066,408.67 is: 120,028,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,272,591.80 : 327,215,223.72 = 80,066,408.67 : x
  2. Step 2: Convert to fraction form
    218,272,591.80/327,215,223.72 = 80,066,408.67/x
  3. Step 3: Cross multiply
    218,272,591.80x = 327,215,223.72 × 80,066,408.67
  4. Step 4: Simplify right side
    218,272,591.80x = 26,198,947,825,411,000
  5. Step 5: Solve for x
    x = 26,198,947,825,411,000/218,272,591.80
  6. Step 6: Final answer
    x = 120,028,573.49

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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.