Home / 276,659,793.45-414,989,690.18-85,183,569.45

Finding the Fourth Proportional to 276,659,793.45, 414,989,690.18 and 85,183,569.45

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Solution

The fourth proportional to 276,659,793.45, 414,989,690.18 and 85,183,569.45 is: 127,775,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,659,793.45 : 414,989,690.18 = 85,183,569.45 : x
  2. Step 2: Convert to fraction form
    276,659,793.45/414,989,690.18 = 85,183,569.45/x
  3. Step 3: Cross multiply
    276,659,793.45x = 414,989,690.18 × 85,183,569.45
  4. Step 4: Simplify right side
    276,659,793.45x = 35,350,303,094,056,096
  5. Step 5: Solve for x
    x = 35,350,303,094,056,096/276,659,793.45
  6. Step 6: Final answer
    x = 127,775,354.18

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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.