Home / 192,685,849.60-288,944,793.60-77,632,153.60

Finding the Fourth Proportional to 192,685,849.60, 288,944,793.60 and 77,632,153.60

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Solution

The fourth proportional to 192,685,849.60, 288,944,793.60 and 77,632,153.60 is: 116,414,394.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,685,849.60 : 288,944,793.60 = 77,632,153.60 : x
  2. Step 2: Convert to fraction form
    192,685,849.60/288,944,793.60 = 77,632,153.60/x
  3. Step 3: Cross multiply
    192,685,849.60x = 288,944,793.60 × 77,632,153.60
  4. Step 4: Simplify right side
    192,685,849.60x = 22,431,406,598,675,496
  5. Step 5: Solve for x
    x = 22,431,406,598,675,496/192,685,849.60
  6. Step 6: Final answer
    x = 116,414,394.96

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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.