Home / 71,187,231.56-106,723,383.83-65,441,188.36

Finding the Fourth Proportional to 71,187,231.56, 106,723,383.83 and 65,441,188.36

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Solution

The fourth proportional to 71,187,231.56, 106,723,383.83 and 65,441,188.36 is: 98,108,957.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,187,231.56 : 106,723,383.83 = 65,441,188.36 : x
  2. Step 2: Convert to fraction form
    71,187,231.56/106,723,383.83 = 65,441,188.36/x
  3. Step 3: Cross multiply
    71,187,231.56x = 106,723,383.83 × 65,441,188.36
  4. Step 4: Simplify right side
    71,187,231.56x = 6,984,105,063,635,608
  5. Step 5: Solve for x
    x = 6,984,105,063,635,608/71,187,231.56
  6. Step 6: Final answer
    x = 98,108,957.33

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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.