Home / 68,285,861.28-94,228,791.92-38,514,868.76

Finding the Fourth Proportional to 68,285,861.28, 94,228,791.92 and 38,514,868.76

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Solution

The fourth proportional to 68,285,861.28, 94,228,791.92 and 38,514,868.76 is: 53,147,305.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,285,861.28 : 94,228,791.92 = 38,514,868.76 : x
  2. Step 2: Convert to fraction form
    68,285,861.28/94,228,791.92 = 38,514,868.76/x
  3. Step 3: Cross multiply
    68,285,861.28x = 94,228,791.92 × 38,514,868.76
  4. Step 4: Simplify right side
    68,285,861.28x = 3,629,209,553,548,430.50
  5. Step 5: Solve for x
    x = 3,629,209,553,548,430.50/68,285,861.28
  6. Step 6: Final answer
    x = 53,147,305.83

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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.