Home / 179,669,982.70-269,504,974.05-72,041,848.30

Finding the Fourth Proportional to 179,669,982.70, 269,504,974.05 and 72,041,848.30

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Solution

The fourth proportional to 179,669,982.70, 269,504,974.05 and 72,041,848.30 is: 108,062,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,669,982.70 : 269,504,974.05 = 72,041,848.30 : x
  2. Step 2: Convert to fraction form
    179,669,982.70/269,504,974.05 = 72,041,848.30/x
  3. Step 3: Cross multiply
    179,669,982.70x = 269,504,974.05 × 72,041,848.30
  4. Step 4: Simplify right side
    179,669,982.70x = 19,415,636,456,605,536
  5. Step 5: Solve for x
    x = 19,415,636,456,605,536/179,669,982.70
  6. Step 6: Final answer
    x = 108,062,772.45

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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.