Home / 192,131,997,465.43-288,139,972,805.46-57,790,825,006.79

Finding the Fourth Proportional to 192,131,997,465.43, 288,139,972,805.46 and 57,790,825,006.79

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Solution

The fourth proportional to 192,131,997,465.43, 288,139,972,805.46 and 57,790,825,006.79 is: 86,668,784,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,131,997,465.43 : 288,139,972,805.46 = 57,790,825,006.79 : x
  2. Step 2: Convert to fraction form
    192,131,997,465.43/288,139,972,805.46 = 57,790,825,006.79/x
  3. Step 3: Cross multiply
    192,131,997,465.43x = 288,139,972,805.46 × 57,790,825,006.79
  4. Step 4: Simplify right side
    192,131,997,465.43x = 16,651,846,745,860,129,947,648
  5. Step 5: Solve for x
    x = 16,651,846,745,860,129,947,648/192,131,997,465.43
  6. Step 6: Final answer
    x = 86,668,784,822.56

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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.