Home / 112,336,005.20-168,504,007.80-54,837,150.80

Finding the Fourth Proportional to 112,336,005.20, 168,504,007.80 and 54,837,150.80

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Solution

The fourth proportional to 112,336,005.20, 168,504,007.80 and 54,837,150.80 is: 82,255,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,336,005.20 : 168,504,007.80 = 54,837,150.80 : x
  2. Step 2: Convert to fraction form
    112,336,005.20/168,504,007.80 = 54,837,150.80/x
  3. Step 3: Cross multiply
    112,336,005.20x = 168,504,007.80 × 54,837,150.80
  4. Step 4: Simplify right side
    112,336,005.20x = 9,240,279,686,132,976
  5. Step 5: Solve for x
    x = 9,240,279,686,132,976/112,336,005.20
  6. Step 6: Final answer
    x = 82,255,726.20

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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.