Home / 122,043,698.73-168,322,854.54-80,270,648.23

Finding the Fourth Proportional to 122,043,698.73, 168,322,854.54 and 80,270,648.23

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Solution

The fourth proportional to 122,043,698.73, 168,322,854.54 and 80,270,648.23 is: 110,709,399.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,043,698.73 : 168,322,854.54 = 80,270,648.23 : x
  2. Step 2: Convert to fraction form
    122,043,698.73/168,322,854.54 = 80,270,648.23/x
  3. Step 3: Cross multiply
    122,043,698.73x = 168,322,854.54 × 80,270,648.23
  4. Step 4: Simplify right side
    122,043,698.73x = 13,511,384,645,849,798
  5. Step 5: Solve for x
    x = 13,511,384,645,849,798/122,043,698.73
  6. Step 6: Final answer
    x = 110,709,399.88

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1.5x scale

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.