Home / 189,552,022.20-284,328,033.30-87,515,350.20

Finding the Fourth Proportional to 189,552,022.20, 284,328,033.30 and 87,515,350.20

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Solution

The fourth proportional to 189,552,022.20, 284,328,033.30 and 87,515,350.20 is: 131,273,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552,022.20 : 284,328,033.30 = 87,515,350.20 : x
  2. Step 2: Convert to fraction form
    189,552,022.20/284,328,033.30 = 87,515,350.20/x
  3. Step 3: Cross multiply
    189,552,022.20x = 284,328,033.30 × 87,515,350.20
  4. Step 4: Simplify right side
    189,552,022.20x = 24,883,067,405,926,764
  5. Step 5: Solve for x
    x = 24,883,067,405,926,764/189,552,022.20
  6. Step 6: Final answer
    x = 131,273,025.30

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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.