Home / 178,897,108.20-268,345,662.30-161,678,419.80

Finding the Fourth Proportional to 178,897,108.20, 268,345,662.30 and 161,678,419.80

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Solution

The fourth proportional to 178,897,108.20, 268,345,662.30 and 161,678,419.80 is: 242,517,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,897,108.20 : 268,345,662.30 = 161,678,419.80 : x
  2. Step 2: Convert to fraction form
    178,897,108.20/268,345,662.30 = 161,678,419.80/x
  3. Step 3: Cross multiply
    178,897,108.20x = 268,345,662.30 × 161,678,419.80
  4. Step 4: Simplify right side
    178,897,108.20x = 43,385,702,640,848,440
  5. Step 5: Solve for x
    x = 43,385,702,640,848,440/178,897,108.20
  6. Step 6: Final answer
    x = 242,517,629.70

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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.