Home / 245,621,469.80-368,432,204.70-208,633,176.20

Finding the Fourth Proportional to 245,621,469.80, 368,432,204.70 and 208,633,176.20

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Solution

The fourth proportional to 245,621,469.80, 368,432,204.70 and 208,633,176.20 is: 312,949,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,621,469.80 : 368,432,204.70 = 208,633,176.20 : x
  2. Step 2: Convert to fraction form
    245,621,469.80/368,432,204.70 = 208,633,176.20/x
  3. Step 3: Cross multiply
    245,621,469.80x = 368,432,204.70 × 208,633,176.20
  4. Step 4: Simplify right side
    245,621,469.80x = 76,867,181,080,929,568
  5. Step 5: Solve for x
    x = 76,867,181,080,929,568/245,621,469.80
  6. Step 6: Final answer
    x = 312,949,764.30

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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.