Home / 80,440,128-111,006,443.52-43,770,067.20

Finding the Fourth Proportional to 80,440,128, 111,006,443.52 and 43,770,067.20

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Solution

The fourth proportional to 80,440,128, 111,006,443.52 and 43,770,067.20 is: 60,402,185.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,440,128 : 111,006,443.52 = 43,770,067.20 : x
  2. Step 2: Convert to fraction form
    80,440,128/111,006,443.52 = 43,770,067.20/x
  3. Step 3: Cross multiply
    80,440,128x = 111,006,443.52 × 43,770,067.20
  4. Step 4: Simplify right side
    80,440,128x = 4,858,759,492,503,405
  5. Step 5: Solve for x
    x = 4,858,759,492,503,405/80,440,128
  6. Step 6: Final answer
    x = 60,402,185.00

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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.