Home / 206,970,171.91-310,498,105.29-84,148,510.24

Finding the Fourth Proportional to 206,970,171.91, 310,498,105.29 and 84,148,510.24

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Solution

The fourth proportional to 206,970,171.91, 310,498,105.29 and 84,148,510.24 is: 126,240,185.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,970,171.91 : 310,498,105.29 = 84,148,510.24 : x
  2. Step 2: Convert to fraction form
    206,970,171.91/310,498,105.29 = 84,148,510.24/x
  3. Step 3: Cross multiply
    206,970,171.91x = 310,498,105.29 × 84,148,510.24
  4. Step 4: Simplify right side
    206,970,171.91x = 26,127,952,991,719,920
  5. Step 5: Solve for x
    x = 26,127,952,991,719,920/206,970,171.91
  6. Step 6: Final answer
    x = 126,240,185.97

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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.