Home / 192,728,718.46-289,104,291.73-54,542,765.44

Finding the Fourth Proportional to 192,728,718.46, 289,104,291.73 and 54,542,765.44

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Solution

The fourth proportional to 192,728,718.46, 289,104,291.73 and 54,542,765.44 is: 81,817,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,728,718.46 : 289,104,291.73 = 54,542,765.44 : x
  2. Step 2: Convert to fraction form
    192,728,718.46/289,104,291.73 = 54,542,765.44/x
  3. Step 3: Cross multiply
    192,728,718.46x = 289,104,291.73 × 54,542,765.44
  4. Step 4: Simplify right side
    192,728,718.46x = 15,768,547,570,081,202
  5. Step 5: Solve for x
    x = 15,768,547,570,081,202/192,728,718.46
  6. Step 6: Final answer
    x = 81,817,321.76

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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.