Home / 135,487,942.98-186,932,168.73-76,741,273.86

Finding the Fourth Proportional to 135,487,942.98, 186,932,168.73 and 76,741,273.86

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Solution

The fourth proportional to 135,487,942.98, 186,932,168.73 and 76,741,273.86 is: 105,879,626.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,487,942.98 : 186,932,168.73 = 76,741,273.86 : x
  2. Step 2: Convert to fraction form
    135,487,942.98/186,932,168.73 = 76,741,273.86/x
  3. Step 3: Cross multiply
    135,487,942.98x = 186,932,168.73 × 76,741,273.86
  4. Step 4: Simplify right side
    135,487,942.98x = 14,345,412,753,752,658
  5. Step 5: Solve for x
    x = 14,345,412,753,752,658/135,487,942.98
  6. Step 6: Final answer
    x = 105,879,626.17

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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.