Home / 109,042,960.80-163,653,670.80-108,192,655.20

Finding the Fourth Proportional to 109,042,960.80, 163,653,670.80 and 108,192,655.20

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Solution

The fourth proportional to 109,042,960.80, 163,653,670.80 and 108,192,655.20 is: 162,377,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,042,960.80 : 163,653,670.80 = 108,192,655.20 : x
  2. Step 2: Convert to fraction form
    109,042,960.80/163,653,670.80 = 108,192,655.20/x
  3. Step 3: Cross multiply
    109,042,960.80x = 163,653,670.80 × 108,192,655.20
  4. Step 4: Simplify right side
    109,042,960.80x = 17,706,125,177,078,710
  5. Step 5: Solve for x
    x = 17,706,125,177,078,710/109,042,960.80
  6. Step 6: Final answer
    x = 162,377,516.60

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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.