Home / 132,128,157.12-198,147,290.40-50,227,281.60

Finding the Fourth Proportional to 132,128,157.12, 198,147,290.40 and 50,227,281.60

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Solution

The fourth proportional to 132,128,157.12, 198,147,290.40 and 50,227,281.60 is: 75,323,836.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,128,157.12 : 198,147,290.40 = 50,227,281.60 : x
  2. Step 2: Convert to fraction form
    132,128,157.12/198,147,290.40 = 50,227,281.60/x
  3. Step 3: Cross multiply
    132,128,157.12x = 198,147,290.40 × 50,227,281.60
  4. Step 4: Simplify right side
    132,128,157.12x = 9,952,399,753,197,778
  5. Step 5: Solve for x
    x = 9,952,399,753,197,778/132,128,157.12
  6. Step 6: Final answer
    x = 75,323,836.87

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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.