Home / 168,039,442.80-252,059,164.20-40,388,626.80

Finding the Fourth Proportional to 168,039,442.80, 252,059,164.20 and 40,388,626.80

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Solution

The fourth proportional to 168,039,442.80, 252,059,164.20 and 40,388,626.80 is: 60,582,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,039,442.80 : 252,059,164.20 = 40,388,626.80 : x
  2. Step 2: Convert to fraction form
    168,039,442.80/252,059,164.20 = 40,388,626.80/x
  3. Step 3: Cross multiply
    168,039,442.80x = 252,059,164.20 × 40,388,626.80
  4. Step 4: Simplify right side
    168,039,442.80x = 10,180,323,514,393,720
  5. Step 5: Solve for x
    x = 10,180,323,514,393,720/168,039,442.80
  6. Step 6: Final answer
    x = 60,582,940.20

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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.