Home / 57,203,999.80-85,839,177.30-21,305,836.60

Finding the Fourth Proportional to 57,203,999.80, 85,839,177.30 and 21,305,836.60

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Solution

The fourth proportional to 57,203,999.80, 85,839,177.30 and 21,305,836.60 is: 31,971,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,203,999.80 : 85,839,177.30 = 21,305,836.60 : x
  2. Step 2: Convert to fraction form
    57,203,999.80/85,839,177.30 = 21,305,836.60/x
  3. Step 3: Cross multiply
    57,203,999.80x = 85,839,177.30 × 21,305,836.60
  4. Step 4: Simplify right side
    57,203,999.80x = 1,828,875,485,432,229.25
  5. Step 5: Solve for x
    x = 1,828,875,485,432,229.25/57,203,999.80
  6. Step 6: Final answer
    x = 31,971,112.02

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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.