Home / 126,982,169.88-190,427,583.84-43,961,379.48

Finding the Fourth Proportional to 126,982,169.88, 190,427,583.84 and 43,961,379.48

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Solution

The fourth proportional to 126,982,169.88, 190,427,583.84 and 43,961,379.48 is: 65,926,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,982,169.88 : 190,427,583.84 = 43,961,379.48 : x
  2. Step 2: Convert to fraction form
    126,982,169.88/190,427,583.84 = 43,961,379.48/x
  3. Step 3: Cross multiply
    126,982,169.88x = 190,427,583.84 × 43,961,379.48
  4. Step 4: Simplify right side
    126,982,169.88x = 8,371,459,276,649,755
  5. Step 5: Solve for x
    x = 8,371,459,276,649,755/126,982,169.88
  6. Step 6: Final answer
    x = 65,926,257.87

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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.