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Finding the Fourth Proportional to 110,691,844.40, 166,108,625.40 and 64,633,624.40

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Solution

The fourth proportional to 110,691,844.40, 166,108,625.40 and 64,633,624.40 is: 96,991,811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,691,844.40 : 166,108,625.40 = 64,633,624.40 : x
  2. Step 2: Convert to fraction form
    110,691,844.40/166,108,625.40 = 64,633,624.40/x
  3. Step 3: Cross multiply
    110,691,844.40x = 166,108,625.40 × 64,633,624.40
  4. Step 4: Simplify right side
    110,691,844.40x = 10,736,202,503,703,900
  5. Step 5: Solve for x
    x = 10,736,202,503,703,900/110,691,844.40
  6. Step 6: Final answer
    x = 96,991,811.47

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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.