Home / 218,266,136.70-327,399,205.05-131,960,118.30

Finding the Fourth Proportional to 218,266,136.70, 327,399,205.05 and 131,960,118.30

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Solution

The fourth proportional to 218,266,136.70, 327,399,205.05 and 131,960,118.30 is: 197,940,177.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,266,136.70 : 327,399,205.05 = 131,960,118.30 : x
  2. Step 2: Convert to fraction form
    218,266,136.70/327,399,205.05 = 131,960,118.30/x
  3. Step 3: Cross multiply
    218,266,136.70x = 327,399,205.05 × 131,960,118.30
  4. Step 4: Simplify right side
    218,266,136.70x = 43,203,637,829,723,960
  5. Step 5: Solve for x
    x = 43,203,637,829,723,960/218,266,136.70
  6. Step 6: Final answer
    x = 197,940,177.45

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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.