Home / 201,469,425.80-302,328,554.70-80,288,241.80

Finding the Fourth Proportional to 201,469,425.80, 302,328,554.70 and 80,288,241.80

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Solution

The fourth proportional to 201,469,425.80, 302,328,554.70 and 80,288,241.80 is: 120,481,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,469,425.80 : 302,328,554.70 = 80,288,241.80 : x
  2. Step 2: Convert to fraction form
    201,469,425.80/302,328,554.70 = 80,288,241.80/x
  3. Step 3: Cross multiply
    201,469,425.80x = 302,328,554.70 × 80,288,241.80
  4. Step 4: Simplify right side
    201,469,425.80x = 24,273,428,102,798,124
  5. Step 5: Solve for x
    x = 24,273,428,102,798,124/201,469,425.80
  6. Step 6: Final answer
    x = 120,481,944.13

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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.