Home / 227,138,287.05-313,451,057.89-122,716,441.41

Finding the Fourth Proportional to 227,138,287.05, 313,451,057.89 and 122,716,441.41

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Solution

The fourth proportional to 227,138,287.05, 313,451,057.89 and 122,716,441.41 is: 169,348,808.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,138,287.05 : 313,451,057.89 = 122,716,441.41 : x
  2. Step 2: Convert to fraction form
    227,138,287.05/313,451,057.89 = 122,716,441.41/x
  3. Step 3: Cross multiply
    227,138,287.05x = 313,451,057.89 × 122,716,441.41
  4. Step 4: Simplify right side
    227,138,287.05x = 38,465,598,380,460,704
  5. Step 5: Solve for x
    x = 38,465,598,380,460,704/227,138,287.05
  6. Step 6: Final answer
    x = 169,348,808.96

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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.