Home / 42,131,311.68-63,179,022.96-16,554,379.44

Finding the Fourth Proportional to 42,131,311.68, 63,179,022.96 and 16,554,379.44

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Solution

The fourth proportional to 42,131,311.68, 63,179,022.96 and 16,554,379.44 is: 24,824,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,131,311.68 : 63,179,022.96 = 16,554,379.44 : x
  2. Step 2: Convert to fraction form
    42,131,311.68/63,179,022.96 = 16,554,379.44/x
  3. Step 3: Cross multiply
    42,131,311.68x = 63,179,022.96 × 16,554,379.44
  4. Step 4: Simplify right side
    42,131,311.68x = 1,045,889,518,728,311.88
  5. Step 5: Solve for x
    x = 1,045,889,518,728,311.88/42,131,311.68
  6. Step 6: Final answer
    x = 24,824,518.32

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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.