Home / 50,009,612.20-74,958,431.10-28,454,540.20

Finding the Fourth Proportional to 50,009,612.20, 74,958,431.10 and 28,454,540.20

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Solution

The fourth proportional to 50,009,612.20, 74,958,431.10 and 28,454,540.20 is: 42,649,954.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,009,612.20 : 74,958,431.10 = 28,454,540.20 : x
  2. Step 2: Convert to fraction form
    50,009,612.20/74,958,431.10 = 28,454,540.20/x
  3. Step 3: Cross multiply
    50,009,612.20x = 74,958,431.10 × 28,454,540.20
  4. Step 4: Simplify right side
    50,009,612.20x = 2,132,907,691,063,880
  5. Step 5: Solve for x
    x = 2,132,907,691,063,880/50,009,612.20
  6. Step 6: Final answer
    x = 42,649,954.62

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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.