Home / 361,988,036.36-543,149,046.37-165,311,742.12

Finding the Fourth Proportional to 361,988,036.36, 543,149,046.37 and 165,311,742.12

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Solution

The fourth proportional to 361,988,036.36, 543,149,046.37 and 165,311,742.12 is: 248,043,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,988,036.36 : 543,149,046.37 = 165,311,742.12 : x
  2. Step 2: Convert to fraction form
    361,988,036.36/543,149,046.37 = 165,311,742.12/x
  3. Step 3: Cross multiply
    361,988,036.36x = 543,149,046.37 × 165,311,742.12
  4. Step 4: Simplify right side
    361,988,036.36x = 89,788,915,086,241,360
  5. Step 5: Solve for x
    x = 89,788,915,086,241,360/361,988,036.36
  6. Step 6: Final answer
    x = 248,043,874.57

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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.