Home / 231,890,797.56-320,163,395.91-178,149,743.66

Finding the Fourth Proportional to 231,890,797.56, 320,163,395.91 and 178,149,743.66

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Solution

The fourth proportional to 231,890,797.56, 320,163,395.91 and 178,149,743.66 is: 245,965,029.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,890,797.56 : 320,163,395.91 = 178,149,743.66 : x
  2. Step 2: Convert to fraction form
    231,890,797.56/320,163,395.91 = 178,149,743.66/x
  3. Step 3: Cross multiply
    231,890,797.56x = 320,163,395.91 × 178,149,743.66
  4. Step 4: Simplify right side
    231,890,797.56x = 57,037,026,910,014,408
  5. Step 5: Solve for x
    x = 57,037,026,910,014,408/231,890,797.56
  6. Step 6: Final answer
    x = 245,965,029.71

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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.