Home / 70,247,789.57-105,371,093.25-54,907,982.03

Finding the Fourth Proportional to 70,247,789.57, 105,371,093.25 and 54,907,982.03

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Solution

The fourth proportional to 70,247,789.57, 105,371,093.25 and 54,907,982.03 is: 82,361,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,247,789.57 : 105,371,093.25 = 54,907,982.03 : x
  2. Step 2: Convert to fraction form
    70,247,789.57/105,371,093.25 = 54,907,982.03/x
  3. Step 3: Cross multiply
    70,247,789.57x = 105,371,093.25 × 54,907,982.03
  4. Step 4: Simplify right side
    70,247,789.57x = 5,785,714,094,915,882
  5. Step 5: Solve for x
    x = 5,785,714,094,915,882/70,247,789.57
  6. Step 6: Final answer
    x = 82,361,511.02

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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.