Home / 168,496,887.40-252,745,331.10-141,287,108.20

Finding the Fourth Proportional to 168,496,887.40, 252,745,331.10 and 141,287,108.20

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Solution

The fourth proportional to 168,496,887.40, 252,745,331.10 and 141,287,108.20 is: 211,930,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,496,887.40 : 252,745,331.10 = 141,287,108.20 : x
  2. Step 2: Convert to fraction form
    168,496,887.40/252,745,331.10 = 141,287,108.20/x
  3. Step 3: Cross multiply
    168,496,887.40x = 252,745,331.10 × 141,287,108.20
  4. Step 4: Simplify right side
    168,496,887.40x = 35,709,656,942,170,520
  5. Step 5: Solve for x
    x = 35,709,656,942,170,520/168,496,887.40
  6. Step 6: Final answer
    x = 211,930,662.30

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Similar ratio
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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.