Home / 166,481,919-229,729,481.46-99,487,582.16

Finding the Fourth Proportional to 166,481,919, 229,729,481.46 and 99,487,582.16

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Solution

The fourth proportional to 166,481,919, 229,729,481.46 and 99,487,582.16 is: 137,283,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,481,919 : 229,729,481.46 = 99,487,582.16 : x
  2. Step 2: Convert to fraction form
    166,481,919/229,729,481.46 = 99,487,582.16/x
  3. Step 3: Cross multiply
    166,481,919x = 229,729,481.46 × 99,487,582.16
  4. Step 4: Simplify right side
    166,481,919x = 22,855,230,661,325,948
  5. Step 5: Solve for x
    x = 22,855,230,661,325,948/166,481,919
  6. Step 6: Final answer
    x = 137,283,560.87

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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.