Home / 120,711,967.33-166,586,538.56-67,797,999.64

Finding the Fourth Proportional to 120,711,967.33, 166,586,538.56 and 67,797,999.64

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Solution

The fourth proportional to 120,711,967.33, 166,586,538.56 and 67,797,999.64 is: 93,563,499.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,711,967.33 : 166,586,538.56 = 67,797,999.64 : x
  2. Step 2: Convert to fraction form
    120,711,967.33/166,586,538.56 = 67,797,999.64/x
  3. Step 3: Cross multiply
    120,711,967.33x = 166,586,538.56 × 67,797,999.64
  4. Step 4: Simplify right side
    120,711,967.33x = 11,294,234,081,379,482
  5. Step 5: Solve for x
    x = 11,294,234,081,379,482/120,711,967.33
  6. Step 6: Final answer
    x = 93,563,499.39

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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.