Home / 267,262,145.44-400,952,868.72-85,520,229.28

Finding the Fourth Proportional to 267,262,145.44, 400,952,868.72 and 85,520,229.28

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Solution

The fourth proportional to 267,262,145.44, 400,952,868.72 and 85,520,229.28 is: 128,299,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,262,145.44 : 400,952,868.72 = 85,520,229.28 : x
  2. Step 2: Convert to fraction form
    267,262,145.44/400,952,868.72 = 85,520,229.28/x
  3. Step 3: Cross multiply
    267,262,145.44x = 400,952,868.72 × 85,520,229.28
  4. Step 4: Simplify right side
    267,262,145.44x = 34,289,581,263,408,144
  5. Step 5: Solve for x
    x = 34,289,581,263,408,144/267,262,145.44
  6. Step 6: Final answer
    x = 128,299,431.28

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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.