Home / 171,236,257.20-236,304,836.40-92,917,818.96

Finding the Fourth Proportional to 171,236,257.20, 236,304,836.40 and 92,917,818.96

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Solution

The fourth proportional to 171,236,257.20, 236,304,836.40 and 92,917,818.96 is: 128,225,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,236,257.20 : 236,304,836.40 = 92,917,818.96 : x
  2. Step 2: Convert to fraction form
    171,236,257.20/236,304,836.40 = 92,917,818.96/x
  3. Step 3: Cross multiply
    171,236,257.20x = 236,304,836.40 × 92,917,818.96
  4. Step 4: Simplify right side
    171,236,257.20x = 21,956,930,007,987,616
  5. Step 5: Solve for x
    x = 21,956,930,007,987,616/171,236,257.20
  6. Step 6: Final answer
    x = 128,225,939.80

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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.