Home / 48,288,121.20-72,432,181.80-15,945,015.60

Finding the Fourth Proportional to 48,288,121.20, 72,432,181.80 and 15,945,015.60

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Solution

The fourth proportional to 48,288,121.20, 72,432,181.80 and 15,945,015.60 is: 23,917,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,288,121.20 : 72,432,181.80 = 15,945,015.60 : x
  2. Step 2: Convert to fraction form
    48,288,121.20/72,432,181.80 = 15,945,015.60/x
  3. Step 3: Cross multiply
    48,288,121.20x = 72,432,181.80 × 15,945,015.60
  4. Step 4: Simplify right side
    48,288,121.20x = 1,154,932,268,743,036
  5. Step 5: Solve for x
    x = 1,154,932,268,743,036/48,288,121.20
  6. Step 6: Final answer
    x = 23,917,523.40

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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.