Home / 55,188,138.60-82,782,207.90-54,054,397.80

Finding the Fourth Proportional to 55,188,138.60, 82,782,207.90 and 54,054,397.80

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Solution

The fourth proportional to 55,188,138.60, 82,782,207.90 and 54,054,397.80 is: 81,081,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,188,138.60 : 82,782,207.90 = 54,054,397.80 : x
  2. Step 2: Convert to fraction form
    55,188,138.60/82,782,207.90 = 54,054,397.80/x
  3. Step 3: Cross multiply
    55,188,138.60x = 82,782,207.90 × 54,054,397.80
  4. Step 4: Simplify right side
    55,188,138.60x = 4,474,742,396,588,902.50
  5. Step 5: Solve for x
    x = 4,474,742,396,588,902.50/55,188,138.60
  6. Step 6: Final answer
    x = 81,081,596.70

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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.