Home / 248,568,373.20-372,880,553.40-76,043,816.40

Finding the Fourth Proportional to 248,568,373.20, 372,880,553.40 and 76,043,816.40

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Solution

The fourth proportional to 248,568,373.20, 372,880,553.40 and 76,043,816.40 is: 114,074,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,568,373.20 : 372,880,553.40 = 76,043,816.40 : x
  2. Step 2: Convert to fraction form
    248,568,373.20/372,880,553.40 = 76,043,816.40/x
  3. Step 3: Cross multiply
    248,568,373.20x = 372,880,553.40 × 76,043,816.40
  4. Step 4: Simplify right side
    248,568,373.20x = 28,355,260,341,879,996
  5. Step 5: Solve for x
    x = 28,355,260,341,879,996/248,568,373.20
  6. Step 6: Final answer
    x = 114,074,288.60

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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.