Home / 119,912,759.02-179,857,033.48-81,299,141.70

Finding the Fourth Proportional to 119,912,759.02, 179,857,033.48 and 81,299,141.70

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Solution

The fourth proportional to 119,912,759.02, 179,857,033.48 and 81,299,141.70 is: 121,940,505.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,912,759.02 : 179,857,033.48 = 81,299,141.70 : x
  2. Step 2: Convert to fraction form
    119,912,759.02/179,857,033.48 = 81,299,141.70/x
  3. Step 3: Cross multiply
    119,912,759.02x = 179,857,033.48 × 81,299,141.70
  4. Step 4: Simplify right side
    119,912,759.02x = 14,622,222,450,632,164
  5. Step 5: Solve for x
    x = 14,622,222,450,632,164/119,912,759.02
  6. Step 6: Final answer
    x = 121,940,505.50

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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.