Home / 135,997,439.52-204,056,257.92-71,285,771.68

Finding the Fourth Proportional to 135,997,439.52, 204,056,257.92 and 71,285,771.68

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Solution

The fourth proportional to 135,997,439.52, 204,056,257.92 and 71,285,771.68 is: 106,960,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,997,439.52 : 204,056,257.92 = 71,285,771.68 : x
  2. Step 2: Convert to fraction form
    135,997,439.52/204,056,257.92 = 71,285,771.68/x
  3. Step 3: Cross multiply
    135,997,439.52x = 204,056,257.92 × 71,285,771.68
  4. Step 4: Simplify right side
    135,997,439.52x = 14,546,307,811,960,312
  5. Step 5: Solve for x
    x = 14,546,307,811,960,312/135,997,439.52
  6. Step 6: Final answer
    x = 106,960,159.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.