Home / 276,659,768.70-414,989,653.05-85,183,544.70

Finding the Fourth Proportional to 276,659,768.70, 414,989,653.05 and 85,183,544.70

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Solution

The fourth proportional to 276,659,768.70, 414,989,653.05 and 85,183,544.70 is: 127,775,317.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,659,768.70 : 414,989,653.05 = 85,183,544.70 : x
  2. Step 2: Convert to fraction form
    276,659,768.70/414,989,653.05 = 85,183,544.70/x
  3. Step 3: Cross multiply
    276,659,768.70x = 414,989,653.05 × 85,183,544.70
  4. Step 4: Simplify right side
    276,659,768.70x = 35,350,289,660,622,168
  5. Step 5: Solve for x
    x = 35,350,289,660,622,168/276,659,768.70
  6. Step 6: Final answer
    x = 127,775,317.05

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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.