Home / 137,246,588.82-205,876,504.37-45,128,287.44

Finding the Fourth Proportional to 137,246,588.82, 205,876,504.37 and 45,128,287.44

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Solution

The fourth proportional to 137,246,588.82, 205,876,504.37 and 45,128,287.44 is: 67,694,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,246,588.82 : 205,876,504.37 = 45,128,287.44 : x
  2. Step 2: Convert to fraction form
    137,246,588.82/205,876,504.37 = 45,128,287.44/x
  3. Step 3: Cross multiply
    137,246,588.82x = 205,876,504.37 × 45,128,287.44
  4. Step 4: Simplify right side
    137,246,588.82x = 9,290,854,066,126,134
  5. Step 5: Solve for x
    x = 9,290,854,066,126,134/137,246,588.82
  6. Step 6: Final answer
    x = 67,694,608.27

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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.