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Finding the Fourth Proportional to 144,066,416.48, 215,978,523.24 and 116,704,859.60

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Solution

The fourth proportional to 144,066,416.48, 215,978,523.24 and 116,704,859.60 is: 174,959,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,066,416.48 : 215,978,523.24 = 116,704,859.60 : x
  2. Step 2: Convert to fraction form
    144,066,416.48/215,978,523.24 = 116,704,859.60/x
  3. Step 3: Cross multiply
    144,066,416.48x = 215,978,523.24 × 116,704,859.60
  4. Step 4: Simplify right side
    144,066,416.48x = 25,205,743,231,339,536
  5. Step 5: Solve for x
    x = 25,205,743,231,339,536/144,066,416.48
  6. Step 6: Final answer
    x = 174,959,187.90

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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.