Home / 248,568,349.20-372,880,517.40-76,043,792.40

Finding the Fourth Proportional to 248,568,349.20, 372,880,517.40 and 76,043,792.40

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Solution

The fourth proportional to 248,568,349.20, 372,880,517.40 and 76,043,792.40 is: 114,074,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,568,349.20 : 372,880,517.40 = 76,043,792.40 : x
  2. Step 2: Convert to fraction form
    248,568,349.20/372,880,517.40 = 76,043,792.40/x
  3. Step 3: Cross multiply
    248,568,349.20x = 372,880,517.40 × 76,043,792.40
  4. Step 4: Simplify right side
    248,568,349.20x = 28,355,248,655,170,188
  5. Step 5: Solve for x
    x = 28,355,248,655,170,188/248,568,349.20
  6. Step 6: Final answer
    x = 114,074,252.60

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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.