Home / 201,003,231.80-301,504,847.70-132,128,478.20

Finding the Fourth Proportional to 201,003,231.80, 301,504,847.70 and 132,128,478.20

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Solution

The fourth proportional to 201,003,231.80, 301,504,847.70 and 132,128,478.20 is: 198,192,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,003,231.80 : 301,504,847.70 = 132,128,478.20 : x
  2. Step 2: Convert to fraction form
    201,003,231.80/301,504,847.70 = 132,128,478.20/x
  3. Step 3: Cross multiply
    201,003,231.80x = 301,504,847.70 × 132,128,478.20
  4. Step 4: Simplify right side
    201,003,231.80x = 39,837,376,696,523,768
  5. Step 5: Solve for x
    x = 39,837,376,696,523,768/201,003,231.80
  6. Step 6: Final answer
    x = 198,192,717.30

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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.