Home / 65,810,689.44-90,817,634.78-36,441,391.44

Finding the Fourth Proportional to 65,810,689.44, 90,817,634.78 and 36,441,391.44

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Solution

The fourth proportional to 65,810,689.44, 90,817,634.78 and 36,441,391.44 is: 50,288,501.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,810,689.44 : 90,817,634.78 = 36,441,391.44 : x
  2. Step 2: Convert to fraction form
    65,810,689.44/90,817,634.78 = 36,441,391.44/x
  3. Step 3: Cross multiply
    65,810,689.44x = 90,817,634.78 × 36,441,391.44
  4. Step 4: Simplify right side
    65,810,689.44x = 3,309,520,978,672,938
  5. Step 5: Solve for x
    x = 3,309,520,978,672,938/65,810,689.44
  6. Step 6: Final answer
    x = 50,288,501.87

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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.