Home / 201,003,136.80-301,504,705.20-132,128,383.20

Finding the Fourth Proportional to 201,003,136.80, 301,504,705.20 and 132,128,383.20

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Solution

The fourth proportional to 201,003,136.80, 301,504,705.20 and 132,128,383.20 is: 198,192,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,003,136.80 : 301,504,705.20 = 132,128,383.20 : x
  2. Step 2: Convert to fraction form
    201,003,136.80/301,504,705.20 = 132,128,383.20/x
  3. Step 3: Cross multiply
    201,003,136.80x = 301,504,705.20 × 132,128,383.20
  4. Step 4: Simplify right side
    201,003,136.80x = 39,837,329,225,268,632
  5. Step 5: Solve for x
    x = 39,837,329,225,268,632/201,003,136.80
  6. Step 6: Final answer
    x = 198,192,574.80

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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.