Home / 57,650,067.72-79,557,765.30-31,545,102.60

Finding the Fourth Proportional to 57,650,067.72, 79,557,765.30 and 31,545,102.60

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Solution

The fourth proportional to 57,650,067.72, 79,557,765.30 and 31,545,102.60 is: 43,532,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,650,067.72 : 79,557,765.30 = 31,545,102.60 : x
  2. Step 2: Convert to fraction form
    57,650,067.72/79,557,765.30 = 31,545,102.60/x
  3. Step 3: Cross multiply
    57,650,067.72x = 79,557,765.30 × 31,545,102.60
  4. Step 4: Simplify right side
    57,650,067.72x = 2,509,657,869,015,220
  5. Step 5: Solve for x
    x = 2,509,657,869,015,220/57,650,067.72
  6. Step 6: Final answer
    x = 43,532,609.21

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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.