Home / 324,863,042.08-487,422,167.28-142,982,713.12

Finding the Fourth Proportional to 324,863,042.08, 487,422,167.28 and 142,982,713.12

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Solution

The fourth proportional to 324,863,042.08, 487,422,167.28 and 142,982,713.12 is: 214,530,232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,863,042.08 : 487,422,167.28 = 142,982,713.12 : x
  2. Step 2: Convert to fraction form
    324,863,042.08/487,422,167.28 = 142,982,713.12/x
  3. Step 3: Cross multiply
    324,863,042.08x = 487,422,167.28 × 142,982,713.12
  4. Step 4: Simplify right side
    324,863,042.08x = 69,692,943,912,524,888
  5. Step 5: Solve for x
    x = 69,692,943,912,524,888/324,863,042.08
  6. Step 6: Final answer
    x = 214,530,232.39

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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.