Home / 55,135,640.20-82,703,460.30-54,285,334.60

Finding the Fourth Proportional to 55,135,640.20, 82,703,460.30 and 54,285,334.60

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Solution

The fourth proportional to 55,135,640.20, 82,703,460.30 and 54,285,334.60 is: 81,428,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,135,640.20 : 82,703,460.30 = 54,285,334.60 : x
  2. Step 2: Convert to fraction form
    55,135,640.20/82,703,460.30 = 54,285,334.60/x
  3. Step 3: Cross multiply
    55,135,640.20x = 82,703,460.30 × 54,285,334.60
  4. Step 4: Simplify right side
    55,135,640.20x = 4,489,585,014,963,316.50
  5. Step 5: Solve for x
    x = 4,489,585,014,963,316.50/55,135,640.20
  6. Step 6: Final answer
    x = 81,428,001.90

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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.