Home / 172,812,660.35-259,175,845.24-67,789,350.07

Finding the Fourth Proportional to 172,812,660.35, 259,175,845.24 and 67,789,350.07

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Solution

The fourth proportional to 172,812,660.35, 259,175,845.24 and 67,789,350.07 is: 101,667,100.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,812,660.35 : 259,175,845.24 = 67,789,350.07 : x
  2. Step 2: Convert to fraction form
    172,812,660.35/259,175,845.24 = 67,789,350.07/x
  3. Step 3: Cross multiply
    172,812,660.35x = 259,175,845.24 × 67,789,350.07
  4. Step 4: Simplify right side
    172,812,660.35x = 17,569,362,102,662,502
  5. Step 5: Solve for x
    x = 17,569,362,102,662,502/172,812,660.35
  6. Step 6: Final answer
    x = 101,667,100.47

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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.