Home / 135,630,810.44-187,147,827.38-79,887,329.72

Finding the Fourth Proportional to 135,630,810.44, 187,147,827.38 and 79,887,329.72

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Solution

The fourth proportional to 135,630,810.44, 187,147,827.38 and 79,887,329.72 is: 110,231,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,630,810.44 : 187,147,827.38 = 79,887,329.72 : x
  2. Step 2: Convert to fraction form
    135,630,810.44/187,147,827.38 = 79,887,329.72/x
  3. Step 3: Cross multiply
    135,630,810.44x = 187,147,827.38 × 79,887,329.72
  4. Step 4: Simplify right side
    135,630,810.44x = 14,950,740,192,287,704
  5. Step 5: Solve for x
    x = 14,950,740,192,287,704/135,630,810.44
  6. Step 6: Final answer
    x = 110,231,149.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.