Home / 111,121,846.60-166,682,769.90-30,342,814.60

Finding the Fourth Proportional to 111,121,846.60, 166,682,769.90 and 30,342,814.60

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Solution

The fourth proportional to 111,121,846.60, 166,682,769.90 and 30,342,814.60 is: 45,514,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,121,846.60 : 166,682,769.90 = 30,342,814.60 : x
  2. Step 2: Convert to fraction form
    111,121,846.60/166,682,769.90 = 30,342,814.60/x
  3. Step 3: Cross multiply
    111,121,846.60x = 166,682,769.90 × 30,342,814.60
  4. Step 4: Simplify right side
    111,121,846.60x = 5,057,624,384,090,161
  5. Step 5: Solve for x
    x = 5,057,624,384,090,161/111,121,846.60
  6. Step 6: Final answer
    x = 45,514,221.90

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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.