Home / 227,086,068.91-313,378,912.38-122,664,186.36

Finding the Fourth Proportional to 227,086,068.91, 313,378,912.38 and 122,664,186.36

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Solution

The fourth proportional to 227,086,068.91, 313,378,912.38 and 122,664,186.36 is: 169,276,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,086,068.91 : 313,378,912.38 = 122,664,186.36 : x
  2. Step 2: Convert to fraction form
    227,086,068.91/313,378,912.38 = 122,664,186.36/x
  3. Step 3: Cross multiply
    227,086,068.91x = 313,378,912.38 × 122,664,186.36
  4. Step 4: Simplify right side
    227,086,068.91x = 38,440,369,308,861,112
  5. Step 5: Solve for x
    x = 38,440,369,308,861,112/227,086,068.91
  6. Step 6: Final answer
    x = 169,276,651.33

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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.