Home / 161,217,998.84-222,410,778.18-102,449,197.64

Finding the Fourth Proportional to 161,217,998.84, 222,410,778.18 and 102,449,197.64

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Solution

The fourth proportional to 161,217,998.84, 222,410,778.18 and 102,449,197.64 is: 141,335,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,217,998.84 : 222,410,778.18 = 102,449,197.64 : x
  2. Step 2: Convert to fraction form
    161,217,998.84/222,410,778.18 = 102,449,197.64/x
  3. Step 3: Cross multiply
    161,217,998.84x = 222,410,778.18 × 102,449,197.64
  4. Step 4: Simplify right side
    161,217,998.84x = 22,785,805,771,029,020
  5. Step 5: Solve for x
    x = 22,785,805,771,029,020/161,217,998.84
  6. Step 6: Final answer
    x = 141,335,371.58

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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.