Home / 272,016,031.20-408,024,046.80-163,176,914.40

Finding the Fourth Proportional to 272,016,031.20, 408,024,046.80 and 163,176,914.40

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Solution

The fourth proportional to 272,016,031.20, 408,024,046.80 and 163,176,914.40 is: 244,765,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,016,031.20 : 408,024,046.80 = 163,176,914.40 : x
  2. Step 2: Convert to fraction form
    272,016,031.20/408,024,046.80 = 163,176,914.40/x
  3. Step 3: Cross multiply
    272,016,031.20x = 408,024,046.80 × 163,176,914.40
  4. Step 4: Simplify right side
    272,016,031.20x = 66,580,104,957,825,200
  5. Step 5: Solve for x
    x = 66,580,104,957,825,200/272,016,031.20
  6. Step 6: Final answer
    x = 244,765,371.60

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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.