Home / 83,753,831-125,630,792.40-38,283,739.04

Finding the Fourth Proportional to 83,753,831, 125,630,792.40 and 38,283,739.04

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Solution

The fourth proportional to 83,753,831, 125,630,792.40 and 38,283,739.04 is: 57,425,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,753,831 : 125,630,792.40 = 38,283,739.04 : x
  2. Step 2: Convert to fraction form
    83,753,831/125,630,792.40 = 38,283,739.04/x
  3. Step 3: Cross multiply
    83,753,831x = 125,630,792.40 × 38,283,739.04
  4. Step 4: Simplify right side
    83,753,831x = 4,809,616,471,630,015
  5. Step 5: Solve for x
    x = 4,809,616,471,630,015/83,753,831
  6. Step 6: Final answer
    x = 57,425,629.54

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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.