Home / 55,135,636.70-82,703,455.05-54,285,331.10

Finding the Fourth Proportional to 55,135,636.70, 82,703,455.05 and 54,285,331.10

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Solution

The fourth proportional to 55,135,636.70, 82,703,455.05 and 54,285,331.10 is: 81,427,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,135,636.70 : 82,703,455.05 = 54,285,331.10 : x
  2. Step 2: Convert to fraction form
    55,135,636.70/82,703,455.05 = 54,285,331.10/x
  3. Step 3: Cross multiply
    55,135,636.70x = 82,703,455.05 × 54,285,331.10
  4. Step 4: Simplify right side
    55,135,636.70x = 4,489,584,440,503,217
  5. Step 5: Solve for x
    x = 4,489,584,440,503,217/55,135,636.70
  6. Step 6: Final answer
    x = 81,427,996.65

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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.