Home / 312,062,660.66-430,645,396.79-179,903,027.04

Finding the Fourth Proportional to 312,062,660.66, 430,645,396.79 and 179,903,027.04

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Solution

The fourth proportional to 312,062,660.66, 430,645,396.79 and 179,903,027.04 is: 248,265,557.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,062,660.66 : 430,645,396.79 = 179,903,027.04 : x
  2. Step 2: Convert to fraction form
    312,062,660.66/430,645,396.79 = 179,903,027.04/x
  3. Step 3: Cross multiply
    312,062,660.66x = 430,645,396.79 × 179,903,027.04
  4. Step 4: Simplify right side
    312,062,660.66x = 77,474,410,463,611,216
  5. Step 5: Solve for x
    x = 77,474,410,463,611,216/312,062,660.66
  6. Step 6: Final answer
    x = 248,265,557.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.