Home / 192,131,997,469.12-288,139,972,810.98-57,790,825,010.48

Finding the Fourth Proportional to 192,131,997,469.12, 288,139,972,810.98 and 57,790,825,010.48

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Solution

The fourth proportional to 192,131,997,469.12, 288,139,972,810.98 and 57,790,825,010.48 is: 86,668,784,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,131,997,469.12 : 288,139,972,810.98 = 57,790,825,010.48 : x
  2. Step 2: Convert to fraction form
    192,131,997,469.12/288,139,972,810.98 = 57,790,825,010.48/x
  3. Step 3: Cross multiply
    192,131,997,469.12x = 288,139,972,810.98 × 57,790,825,010.48
  4. Step 4: Simplify right side
    192,131,997,469.12x = 16,651,846,747,243,809,865,728
  5. Step 5: Solve for x
    x = 16,651,846,747,243,809,865,728/192,131,997,469.12
  6. Step 6: Final answer
    x = 86,668,784,828.10

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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.