Home / 109,042,518.80-163,653,007.80-108,192,213.20

Finding the Fourth Proportional to 109,042,518.80, 163,653,007.80 and 108,192,213.20

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Solution

The fourth proportional to 109,042,518.80, 163,653,007.80 and 108,192,213.20 is: 162,376,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,042,518.80 : 163,653,007.80 = 108,192,213.20 : x
  2. Step 2: Convert to fraction form
    109,042,518.80/163,653,007.80 = 108,192,213.20/x
  3. Step 3: Cross multiply
    109,042,518.80x = 163,653,007.80 × 108,192,213.20
  4. Step 4: Simplify right side
    109,042,518.80x = 17,705,981,110,718,864
  5. Step 5: Solve for x
    x = 17,705,981,110,718,864/109,042,518.80
  6. Step 6: Final answer
    x = 162,376,853.59

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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.