Home / 109,042,521.80-163,653,012.30-108,192,216.20

Finding the Fourth Proportional to 109,042,521.80, 163,653,012.30 and 108,192,216.20

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Solution

The fourth proportional to 109,042,521.80, 163,653,012.30 and 108,192,216.20 is: 162,376,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,042,521.80 : 163,653,012.30 = 108,192,216.20 : x
  2. Step 2: Convert to fraction form
    109,042,521.80/163,653,012.30 = 108,192,216.20/x
  3. Step 3: Cross multiply
    109,042,521.80x = 163,653,012.30 × 108,192,216.20
  4. Step 4: Simplify right side
    109,042,521.80x = 17,705,982,088,542,862
  5. Step 5: Solve for x
    x = 17,705,982,088,542,862/109,042,521.80
  6. Step 6: Final answer
    x = 162,376,858.09

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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.