Home / 161,764,297,412.72-242,646,446,119.10-67,504,892,439.03

Finding the Fourth Proportional to 161,764,297,412.72, 242,646,446,119.10 and 67,504,892,439.03

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Solution

The fourth proportional to 161,764,297,412.72, 242,646,446,119.10 and 67,504,892,439.03 is: 101,257,338,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,764,297,412.72 : 242,646,446,119.10 = 67,504,892,439.03 : x
  2. Step 2: Convert to fraction form
    161,764,297,412.72/242,646,446,119.10 = 67,504,892,439.03/x
  3. Step 3: Cross multiply
    161,764,297,412.72x = 242,646,446,119.10 × 67,504,892,439.03
  4. Step 4: Simplify right side
    161,764,297,412.72x = 16,379,822,245,982,733,598,720
  5. Step 5: Solve for x
    x = 16,379,822,245,982,733,598,720/161,764,297,412.72
  6. Step 6: Final answer
    x = 101,257,338,658.55

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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.