Home / 117,327,170.87-161,903,953.28-65,116,241.90

Finding the Fourth Proportional to 117,327,170.87, 161,903,953.28 and 65,116,241.90

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Solution

The fourth proportional to 117,327,170.87, 161,903,953.28 and 65,116,241.90 is: 89,856,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,327,170.87 : 161,903,953.28 = 65,116,241.90 : x
  2. Step 2: Convert to fraction form
    117,327,170.87/161,903,953.28 = 65,116,241.90/x
  3. Step 3: Cross multiply
    117,327,170.87x = 161,903,953.28 × 65,116,241.90
  4. Step 4: Simplify right side
    117,327,170.87x = 10,542,576,986,021,198
  5. Step 5: Solve for x
    x = 10,542,576,986,021,198/117,327,170.87
  6. Step 6: Final answer
    x = 89,856,227.74

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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.