Home / 192,479,749.96-288,707,667.49-61,318,782.56

Finding the Fourth Proportional to 192,479,749.96, 288,707,667.49 and 61,318,782.56

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Solution

The fourth proportional to 192,479,749.96, 288,707,667.49 and 61,318,782.56 is: 91,974,364.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,479,749.96 : 288,707,667.49 = 61,318,782.56 : x
  2. Step 2: Convert to fraction form
    192,479,749.96/288,707,667.49 = 61,318,782.56/x
  3. Step 3: Cross multiply
    192,479,749.96x = 288,707,667.49 × 61,318,782.56
  4. Step 4: Simplify right side
    192,479,749.96x = 17,703,202,685,398,526
  5. Step 5: Solve for x
    x = 17,703,202,685,398,526/192,479,749.96
  6. Step 6: Final answer
    x = 91,974,364.52

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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.