Home / 192,945,719.52-289,447,972.56-120,103,572.96

Finding the Fourth Proportional to 192,945,719.52, 289,447,972.56 and 120,103,572.96

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Solution

The fourth proportional to 192,945,719.52, 289,447,972.56 and 120,103,572.96 is: 180,173,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,945,719.52 : 289,447,972.56 = 120,103,572.96 : x
  2. Step 2: Convert to fraction form
    192,945,719.52/289,447,972.56 = 120,103,572.96/x
  3. Step 3: Cross multiply
    192,945,719.52x = 289,447,972.56 × 120,103,572.96
  4. Step 4: Simplify right side
    192,945,719.52x = 34,763,735,690,484,036
  5. Step 5: Solve for x
    x = 34,763,735,690,484,036/192,945,719.52
  6. Step 6: Final answer
    x = 180,173,655.97

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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.