Home / 80,212,297,942.80-120,318,446,914.20-43,019,930,998.80

Finding the Fourth Proportional to 80,212,297,942.80, 120,318,446,914.20 and 43,019,930,998.80

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Solution

The fourth proportional to 80,212,297,942.80, 120,318,446,914.20 and 43,019,930,998.80 is: 64,529,896,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,212,297,942.80 : 120,318,446,914.20 = 43,019,930,998.80 : x
  2. Step 2: Convert to fraction form
    80,212,297,942.80/120,318,446,914.20 = 43,019,930,998.80/x
  3. Step 3: Cross multiply
    80,212,297,942.80x = 120,318,446,914.20 × 43,019,930,998.80
  4. Step 4: Simplify right side
    80,212,297,942.80x = 5,176,091,284,131,664,625,664
  5. Step 5: Solve for x
    x = 5,176,091,284,131,664,625,664/80,212,297,942.80
  6. Step 6: Final answer
    x = 64,529,896,498.20

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Double scale
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Similar ratio
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1.5x scale

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.