Home / 120,711,964.44-166,586,534.62-67,797,996.72

Finding the Fourth Proportional to 120,711,964.44, 166,586,534.62 and 67,797,996.72

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Solution

The fourth proportional to 120,711,964.44, 166,586,534.62 and 67,797,996.72 is: 93,563,495.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,711,964.44 : 166,586,534.62 = 67,797,996.72 : x
  2. Step 2: Convert to fraction form
    120,711,964.44/166,586,534.62 = 67,797,996.72/x
  3. Step 3: Cross multiply
    120,711,964.44x = 166,586,534.62 × 67,797,996.72
  4. Step 4: Simplify right side
    120,711,964.44x = 11,294,233,327,905,782
  5. Step 5: Solve for x
    x = 11,294,233,327,905,782/120,711,964.44
  6. Step 6: Final answer
    x = 93,563,495.38

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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.