Home / 79,964,093.76-119,946,138.08-19,379,819.84

Finding the Fourth Proportional to 79,964,093.76, 119,946,138.08 and 19,379,819.84

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Solution

The fourth proportional to 79,964,093.76, 119,946,138.08 and 19,379,819.84 is: 29,069,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,964,093.76 : 119,946,138.08 = 19,379,819.84 : x
  2. Step 2: Convert to fraction form
    79,964,093.76/119,946,138.08 = 19,379,819.84/x
  3. Step 3: Cross multiply
    79,964,093.76x = 119,946,138.08 × 19,379,819.84
  4. Step 4: Simplify right side
    79,964,093.76x = 2,324,534,546,494,163.50
  5. Step 5: Solve for x
    x = 2,324,534,546,494,163.50/79,964,093.76
  6. Step 6: Final answer
    x = 29,069,729.14

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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.