Home / 192,632,578.38-288,948,066.58-69,782,131.70

Finding the Fourth Proportional to 192,632,578.38, 288,948,066.58 and 69,782,131.70

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Solution

The fourth proportional to 192,632,578.38, 288,948,066.58 and 69,782,131.70 is: 104,672,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,632,578.38 : 288,948,066.58 = 69,782,131.70 : x
  2. Step 2: Convert to fraction form
    192,632,578.38/288,948,066.58 = 69,782,131.70/x
  3. Step 3: Cross multiply
    192,632,578.38x = 288,948,066.58 × 69,782,131.70
  4. Step 4: Simplify right side
    192,632,578.38x = 20,163,412,036,271,972
  5. Step 5: Solve for x
    x = 20,163,412,036,271,972/192,632,578.38
  6. Step 6: Final answer
    x = 104,672,907.39

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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.