Home / 214,844,649.71-321,624,636.45-131,584,241.43

Finding the Fourth Proportional to 214,844,649.71, 321,624,636.45 and 131,584,241.43

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Solution

The fourth proportional to 214,844,649.71, 321,624,636.45 and 131,584,241.43 is: 196,982,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,844,649.71 : 321,624,636.45 = 131,584,241.43 : x
  2. Step 2: Convert to fraction form
    214,844,649.71/321,624,636.45 = 131,584,241.43/x
  3. Step 3: Cross multiply
    214,844,649.71x = 321,624,636.45 × 131,584,241.43
  4. Step 4: Simplify right side
    214,844,649.71x = 42,320,733,812,472,776
  5. Step 5: Solve for x
    x = 42,320,733,812,472,776/214,844,649.71
  6. Step 6: Final answer
    x = 196,982,954.29

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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.