Home / 312,237,883.92-430,888,786.22-171,086,674.48

Finding the Fourth Proportional to 312,237,883.92, 430,888,786.22 and 171,086,674.48

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Solution

The fourth proportional to 312,237,883.92, 430,888,786.22 and 171,086,674.48 is: 236,099,888.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,237,883.92 : 430,888,786.22 = 171,086,674.48 : x
  2. Step 2: Convert to fraction form
    312,237,883.92/430,888,786.22 = 171,086,674.48/x
  3. Step 3: Cross multiply
    312,237,883.92x = 430,888,786.22 × 171,086,674.48
  4. Step 4: Simplify right side
    312,237,883.92x = 73,719,329,505,103,456
  5. Step 5: Solve for x
    x = 73,719,329,505,103,456/312,237,883.92
  6. Step 6: Final answer
    x = 236,099,888.26

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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.