Home / 180,469,988.84-270,672,983.80-82,078,649.22

Finding the Fourth Proportional to 180,469,988.84, 270,672,983.80 and 82,078,649.22

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Solution

The fourth proportional to 180,469,988.84, 270,672,983.80 and 82,078,649.22 is: 123,103,420.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,469,988.84 : 270,672,983.80 = 82,078,649.22 : x
  2. Step 2: Convert to fraction form
    180,469,988.84/270,672,983.80 = 82,078,649.22/x
  3. Step 3: Cross multiply
    180,469,988.84x = 270,672,983.80 × 82,078,649.22
  4. Step 4: Simplify right side
    180,469,988.84x = 22,216,472,890,650,944
  5. Step 5: Solve for x
    x = 22,216,472,890,650,944/180,469,988.84
  6. Step 6: Final answer
    x = 123,103,420.32

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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.