Home / 168,440,439.20-252,660,658.80-40,789,623.20

Finding the Fourth Proportional to 168,440,439.20, 252,660,658.80 and 40,789,623.20

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Solution

The fourth proportional to 168,440,439.20, 252,660,658.80 and 40,789,623.20 is: 61,184,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,440,439.20 : 252,660,658.80 = 40,789,623.20 : x
  2. Step 2: Convert to fraction form
    168,440,439.20/252,660,658.80 = 40,789,623.20/x
  3. Step 3: Cross multiply
    168,440,439.20x = 252,660,658.80 × 40,789,623.20
  4. Step 4: Simplify right side
    168,440,439.20x = 10,305,933,069,915,766
  5. Step 5: Solve for x
    x = 10,305,933,069,915,766/168,440,439.20
  6. Step 6: Final answer
    x = 61,184,434.80

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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.