Home / 151,892,140.44-209,612,160.14-82,277,520.69

Finding the Fourth Proportional to 151,892,140.44, 209,612,160.14 and 82,277,520.69

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Solution

The fourth proportional to 151,892,140.44, 209,612,160.14 and 82,277,520.69 is: 113,543,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,892,140.44 : 209,612,160.14 = 82,277,520.69 : x
  2. Step 2: Convert to fraction form
    151,892,140.44/209,612,160.14 = 82,277,520.69/x
  3. Step 3: Cross multiply
    151,892,140.44x = 209,612,160.14 × 82,277,520.69
  4. Step 4: Simplify right side
    151,892,140.44x = 17,246,368,842,383,054
  5. Step 5: Solve for x
    x = 17,246,368,842,383,054/151,892,140.44
  6. Step 6: Final answer
    x = 113,543,523.66

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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.