Home / 276,905,534.68-382,247,298.90-172,535,172.39

Finding the Fourth Proportional to 276,905,534.68, 382,247,298.90 and 172,535,172.39

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Solution

The fourth proportional to 276,905,534.68, 382,247,298.90 and 172,535,172.39 is: 238,171,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,534.68 : 382,247,298.90 = 172,535,172.39 : x
  2. Step 2: Convert to fraction form
    276,905,534.68/382,247,298.90 = 172,535,172.39/x
  3. Step 3: Cross multiply
    276,905,534.68x = 382,247,298.90 × 172,535,172.39
  4. Step 4: Simplify right side
    276,905,534.68x = 65,951,103,611,323,344
  5. Step 5: Solve for x
    x = 65,951,103,611,323,344/276,905,534.68
  6. Step 6: Final answer
    x = 238,171,850.51

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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.