Home / 168,186,068.20-252,279,102.30-100,161,620.20

Finding the Fourth Proportional to 168,186,068.20, 252,279,102.30 and 100,161,620.20

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Solution

The fourth proportional to 168,186,068.20, 252,279,102.30 and 100,161,620.20 is: 150,242,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,186,068.20 : 252,279,102.30 = 100,161,620.20 : x
  2. Step 2: Convert to fraction form
    168,186,068.20/252,279,102.30 = 100,161,620.20/x
  3. Step 3: Cross multiply
    168,186,068.20x = 252,279,102.30 × 100,161,620.20
  4. Step 4: Simplify right side
    168,186,068.20x = 25,268,683,628,969,548
  5. Step 5: Solve for x
    x = 25,268,683,628,969,548/168,186,068.20
  6. Step 6: Final answer
    x = 150,242,430.30

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1.5x scale

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.