Home / 218,149,584.58-327,200,204.55-78,084,447.94

Finding the Fourth Proportional to 218,149,584.58, 327,200,204.55 and 78,084,447.94

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Solution

The fourth proportional to 218,149,584.58, 327,200,204.55 and 78,084,447.94 is: 117,118,019.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,149,584.58 : 327,200,204.55 = 78,084,447.94 : x
  2. Step 2: Convert to fraction form
    218,149,584.58/327,200,204.55 = 78,084,447.94/x
  3. Step 3: Cross multiply
    218,149,584.58x = 327,200,204.55 × 78,084,447.94
  4. Step 4: Simplify right side
    218,149,584.58x = 25,549,247,338,141,828
  5. Step 5: Solve for x
    x = 25,549,247,338,141,828/218,149,584.58
  6. Step 6: Final answer
    x = 117,118,019.67

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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.