Home / 62,138,840.58-85,788,339.48-55,244,238.30

Finding the Fourth Proportional to 62,138,840.58, 85,788,339.48 and 55,244,238.30

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Solution

The fourth proportional to 62,138,840.58, 85,788,339.48 and 55,244,238.30 is: 76,269,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,138,840.58 : 85,788,339.48 = 55,244,238.30 : x
  2. Step 2: Convert to fraction form
    62,138,840.58/85,788,339.48 = 55,244,238.30/x
  3. Step 3: Cross multiply
    62,138,840.58x = 85,788,339.48 × 55,244,238.30
  4. Step 4: Simplify right side
    62,138,840.58x = 4,739,311,469,594,418
  5. Step 5: Solve for x
    x = 4,739,311,469,594,418/62,138,840.58
  6. Step 6: Final answer
    x = 76,269,711.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.