Home / 180,469,989.84-270,672,985.30-82,078,650.22

Finding the Fourth Proportional to 180,469,989.84, 270,672,985.30 and 82,078,650.22

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Solution

The fourth proportional to 180,469,989.84, 270,672,985.30 and 82,078,650.22 is: 123,103,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,469,989.84 : 270,672,985.30 = 82,078,650.22 : x
  2. Step 2: Convert to fraction form
    180,469,989.84/270,672,985.30 = 82,078,650.22/x
  3. Step 3: Cross multiply
    180,469,989.84x = 270,672,985.30 × 82,078,650.22
  4. Step 4: Simplify right side
    180,469,989.84x = 22,216,473,284,441,904
  5. Step 5: Solve for x
    x = 22,216,473,284,441,904/180,469,989.84
  6. Step 6: Final answer
    x = 123,103,421.82

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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.