Home / 276,745,998.28-415,205,351-82,665,071.88

Finding the Fourth Proportional to 276,745,998.28, 415,205,351 and 82,665,071.88

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Solution

The fourth proportional to 276,745,998.28, 415,205,351 and 82,665,071.88 is: 124,023,401.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,745,998.28 : 415,205,351 = 82,665,071.88 : x
  2. Step 2: Convert to fraction form
    276,745,998.28/415,205,351 = 82,665,071.88/x
  3. Step 3: Cross multiply
    276,745,998.28x = 415,205,351 × 82,665,071.88
  4. Step 4: Simplify right side
    276,745,998.28x = 34,322,980,185,375,628
  5. Step 5: Solve for x
    x = 34,322,980,185,375,628/276,745,998.28
  6. Step 6: Final answer
    x = 124,023,401.96

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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.