Home / 80,212,297,933.80-120,318,446,900.70-43,019,930,989.80

Finding the Fourth Proportional to 80,212,297,933.80, 120,318,446,900.70 and 43,019,930,989.80

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Solution

The fourth proportional to 80,212,297,933.80, 120,318,446,900.70 and 43,019,930,989.80 is: 64,529,896,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,212,297,933.80 : 120,318,446,900.70 = 43,019,930,989.80 : x
  2. Step 2: Convert to fraction form
    80,212,297,933.80/120,318,446,900.70 = 43,019,930,989.80/x
  3. Step 3: Cross multiply
    80,212,297,933.80x = 120,318,446,900.70 × 43,019,930,989.80
  4. Step 4: Simplify right side
    80,212,297,933.80x = 5,176,091,282,468,029,595,648
  5. Step 5: Solve for x
    x = 5,176,091,282,468,029,595,648/80,212,297,933.80
  6. Step 6: Final answer
    x = 64,529,896,484.70

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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.