Home / 134,131,879.56-185,074,833.24-78,366,520.92

Finding the Fourth Proportional to 134,131,879.56, 185,074,833.24 and 78,366,520.92

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Solution

The fourth proportional to 134,131,879.56, 185,074,833.24 and 78,366,520.92 is: 108,129,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,131,879.56 : 185,074,833.24 = 78,366,520.92 : x
  2. Step 2: Convert to fraction form
    134,131,879.56/185,074,833.24 = 78,366,520.92/x
  3. Step 3: Cross multiply
    134,131,879.56x = 185,074,833.24 × 78,366,520.92
  4. Step 4: Simplify right side
    134,131,879.56x = 14,503,670,790,867,972
  5. Step 5: Solve for x
    x = 14,503,670,790,867,972/134,131,879.56
  6. Step 6: Final answer
    x = 108,129,930.32

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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.