Home / 111,193,992.37-166,866,341.34-45,626,983.79

Finding the Fourth Proportional to 111,193,992.37, 166,866,341.34 and 45,626,983.79

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Solution

The fourth proportional to 111,193,992.37, 166,866,341.34 and 45,626,983.79 is: 68,471,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,193,992.37 : 166,866,341.34 = 45,626,983.79 : x
  2. Step 2: Convert to fraction form
    111,193,992.37/166,866,341.34 = 45,626,983.79/x
  3. Step 3: Cross multiply
    111,193,992.37x = 166,866,341.34 × 45,626,983.79
  4. Step 4: Simplify right side
    111,193,992.37x = 7,613,607,851,416,787
  5. Step 5: Solve for x
    x = 7,613,607,851,416,787/111,193,992.37
  6. Step 6: Final answer
    x = 68,471,395.71

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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.