Home / 238,494,385.44-328,900,202.54-154,772,997.14

Finding the Fourth Proportional to 238,494,385.44, 328,900,202.54 and 154,772,997.14

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Solution

The fourth proportional to 238,494,385.44, 328,900,202.54 and 154,772,997.14 is: 213,442,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,494,385.44 : 328,900,202.54 = 154,772,997.14 : x
  2. Step 2: Convert to fraction form
    238,494,385.44/328,900,202.54 = 154,772,997.14/x
  3. Step 3: Cross multiply
    238,494,385.44x = 328,900,202.54 × 154,772,997.14
  4. Step 4: Simplify right side
    238,494,385.44x = 50,904,870,107,068,840
  5. Step 5: Solve for x
    x = 50,904,870,107,068,840/238,494,385.44
  6. Step 6: Final answer
    x = 213,442,635.19

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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.