Home / 207,644,006.20-311,466,009.30-173,883,724.60

Finding the Fourth Proportional to 207,644,006.20, 311,466,009.30 and 173,883,724.60

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Solution

The fourth proportional to 207,644,006.20, 311,466,009.30 and 173,883,724.60 is: 260,825,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,644,006.20 : 311,466,009.30 = 173,883,724.60 : x
  2. Step 2: Convert to fraction form
    207,644,006.20/311,466,009.30 = 173,883,724.60/x
  3. Step 3: Cross multiply
    207,644,006.20x = 311,466,009.30 × 173,883,724.60
  4. Step 4: Simplify right side
    207,644,006.20x = 54,158,869,783,382,240
  5. Step 5: Solve for x
    x = 54,158,869,783,382,240/207,644,006.20
  6. Step 6: Final answer
    x = 260,825,586.90

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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.