Home / 217,414,992.38-300,032,689.48-119,629,848.38

Finding the Fourth Proportional to 217,414,992.38, 300,032,689.48 and 119,629,848.38

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Solution

The fourth proportional to 217,414,992.38, 300,032,689.48 and 119,629,848.38 is: 165,089,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,414,992.38 : 300,032,689.48 = 119,629,848.38 : x
  2. Step 2: Convert to fraction form
    217,414,992.38/300,032,689.48 = 119,629,848.38/x
  3. Step 3: Cross multiply
    217,414,992.38x = 300,032,689.48 × 119,629,848.38
  4. Step 4: Simplify right side
    217,414,992.38x = 35,892,865,149,736,784
  5. Step 5: Solve for x
    x = 35,892,865,149,736,784/217,414,992.38
  6. Step 6: Final answer
    x = 165,089,190.76

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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.