Home / 109,394,778.44-151,011,277.62-68,162,042.72

Finding the Fourth Proportional to 109,394,778.44, 151,011,277.62 and 68,162,042.72

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Solution

The fourth proportional to 109,394,778.44, 151,011,277.62 and 68,162,042.72 is: 94,092,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,394,778.44 : 151,011,277.62 = 68,162,042.72 : x
  2. Step 2: Convert to fraction form
    109,394,778.44/151,011,277.62 = 68,162,042.72/x
  3. Step 3: Cross multiply
    109,394,778.44x = 151,011,277.62 × 68,162,042.72
  4. Step 4: Simplify right side
    109,394,778.44x = 10,293,237,156,336,220
  5. Step 5: Solve for x
    x = 10,293,237,156,336,220/109,394,778.44
  6. Step 6: Final answer
    x = 94,092,581.96

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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.