Home / 128,304,067.60-192,456,101.40-101,094,288.40

Finding the Fourth Proportional to 128,304,067.60, 192,456,101.40 and 101,094,288.40

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Solution

The fourth proportional to 128,304,067.60, 192,456,101.40 and 101,094,288.40 is: 151,641,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,067.60 : 192,456,101.40 = 101,094,288.40 : x
  2. Step 2: Convert to fraction form
    128,304,067.60/192,456,101.40 = 101,094,288.40/x
  3. Step 3: Cross multiply
    128,304,067.60x = 192,456,101.40 × 101,094,288.40
  4. Step 4: Simplify right side
    128,304,067.60x = 19,456,212,619,271,244
  5. Step 5: Solve for x
    x = 19,456,212,619,271,244/128,304,067.60
  6. Step 6: Final answer
    x = 151,641,432.60

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1.5x scale

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.