Home / 119,115,121.88-164,383,810.01-66,191,631.86

Finding the Fourth Proportional to 119,115,121.88, 164,383,810.01 and 66,191,631.86

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Solution

The fourth proportional to 119,115,121.88, 164,383,810.01 and 66,191,631.86 is: 91,347,198.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,115,121.88 : 164,383,810.01 = 66,191,631.86 : x
  2. Step 2: Convert to fraction form
    119,115,121.88/164,383,810.01 = 66,191,631.86/x
  3. Step 3: Cross multiply
    119,115,121.88x = 164,383,810.01 × 66,191,631.86
  4. Step 4: Simplify right side
    119,115,121.88x = 10,880,832,635,926,102
  5. Step 5: Solve for x
    x = 10,880,832,635,926,102/119,115,121.88
  6. Step 6: Final answer
    x = 91,347,198.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.