Home / 200,190,649.30-300,074,099.21-91,092,433.82

Finding the Fourth Proportional to 200,190,649.30, 300,074,099.21 and 91,092,433.82

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Solution

The fourth proportional to 200,190,649.30, 300,074,099.21 and 91,092,433.82 is: 136,542,241.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,190,649.30 : 300,074,099.21 = 91,092,433.82 : x
  2. Step 2: Convert to fraction form
    200,190,649.30/300,074,099.21 = 91,092,433.82/x
  3. Step 3: Cross multiply
    200,190,649.30x = 300,074,099.21 × 91,092,433.82
  4. Step 4: Simplify right side
    200,190,649.30x = 27,334,480,024,300,832
  5. Step 5: Solve for x
    x = 27,334,480,024,300,832/200,190,649.30
  6. Step 6: Final answer
    x = 136,542,241.71

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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.