Home / 276,905,534.93-382,247,299.25-172,535,172.64

Finding the Fourth Proportional to 276,905,534.93, 382,247,299.25 and 172,535,172.64

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Solution

The fourth proportional to 276,905,534.93, 382,247,299.25 and 172,535,172.64 is: 238,171,850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,534.93 : 382,247,299.25 = 172,535,172.64 : x
  2. Step 2: Convert to fraction form
    276,905,534.93/382,247,299.25 = 172,535,172.64/x
  3. Step 3: Cross multiply
    276,905,534.93x = 382,247,299.25 × 172,535,172.64
  4. Step 4: Simplify right side
    276,905,534.93x = 65,951,103,766,409,816
  5. Step 5: Solve for x
    x = 65,951,103,766,409,816/276,905,534.93
  6. Step 6: Final answer
    x = 238,171,850.86

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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.