Home / 67,376,481.05-101,064,721.58-66,809,610.65

Finding the Fourth Proportional to 67,376,481.05, 101,064,721.58 and 66,809,610.65

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Solution

The fourth proportional to 67,376,481.05, 101,064,721.58 and 66,809,610.65 is: 100,214,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,376,481.05 : 101,064,721.58 = 66,809,610.65 : x
  2. Step 2: Convert to fraction form
    67,376,481.05/101,064,721.58 = 66,809,610.65/x
  3. Step 3: Cross multiply
    67,376,481.05x = 101,064,721.58 × 66,809,610.65
  4. Step 4: Simplify right side
    67,376,481.05x = 6,752,094,698,876,405
  5. Step 5: Solve for x
    x = 6,752,094,698,876,405/67,376,481.05
  6. Step 6: Final answer
    x = 100,214,415.98

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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.