Home / 103,517,968.60-155,276,952.90-102,846,122.20

Finding the Fourth Proportional to 103,517,968.60, 155,276,952.90 and 102,846,122.20

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Solution

The fourth proportional to 103,517,968.60, 155,276,952.90 and 102,846,122.20 is: 154,269,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,517,968.60 : 155,276,952.90 = 102,846,122.20 : x
  2. Step 2: Convert to fraction form
    103,517,968.60/155,276,952.90 = 102,846,122.20/x
  3. Step 3: Cross multiply
    103,517,968.60x = 155,276,952.90 × 102,846,122.20
  4. Step 4: Simplify right side
    103,517,968.60x = 15,969,632,472,797,046
  5. Step 5: Solve for x
    x = 15,969,632,472,797,046/103,517,968.60
  6. Step 6: Final answer
    x = 154,269,183.30

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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.