Home / 179,670,002.20-269,505,003.30-72,041,867.80

Finding the Fourth Proportional to 179,670,002.20, 269,505,003.30 and 72,041,867.80

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Solution

The fourth proportional to 179,670,002.20, 269,505,003.30 and 72,041,867.80 is: 108,062,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,670,002.20 : 269,505,003.30 = 72,041,867.80 : x
  2. Step 2: Convert to fraction form
    179,670,002.20/269,505,003.30 = 72,041,867.80/x
  3. Step 3: Cross multiply
    179,670,002.20x = 269,505,003.30 × 72,041,867.80
  4. Step 4: Simplify right side
    179,670,002.20x = 19,415,643,819,177,164
  5. Step 5: Solve for x
    x = 19,415,643,819,177,164/179,670,002.20
  6. Step 6: Final answer
    x = 108,062,801.70

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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.