Home / 52,287,811.20-78,431,716.80-23,589,997.20

Finding the Fourth Proportional to 52,287,811.20, 78,431,716.80 and 23,589,997.20

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Solution

The fourth proportional to 52,287,811.20, 78,431,716.80 and 23,589,997.20 is: 35,384,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,287,811.20 : 78,431,716.80 = 23,589,997.20 : x
  2. Step 2: Convert to fraction form
    52,287,811.20/78,431,716.80 = 23,589,997.20/x
  3. Step 3: Cross multiply
    52,287,811.20x = 78,431,716.80 × 23,589,997.20
  4. Step 4: Simplify right side
    52,287,811.20x = 1,850,203,979,703,192.75
  5. Step 5: Solve for x
    x = 1,850,203,979,703,192.75/52,287,811.20
  6. Step 6: Final answer
    x = 35,384,995.80

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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.