Home / 69,542,596.40-104,313,894.60-21,054,510.06

Finding the Fourth Proportional to 69,542,596.40, 104,313,894.60 and 21,054,510.06

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Solution

The fourth proportional to 69,542,596.40, 104,313,894.60 and 21,054,510.06 is: 31,581,765.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,542,596.40 : 104,313,894.60 = 21,054,510.06 : x
  2. Step 2: Convert to fraction form
    69,542,596.40/104,313,894.60 = 21,054,510.06/x
  3. Step 3: Cross multiply
    69,542,596.40x = 104,313,894.60 × 21,054,510.06
  4. Step 4: Simplify right side
    69,542,596.40x = 2,196,277,943,253,479.50
  5. Step 5: Solve for x
    x = 2,196,277,943,253,479.50/69,542,596.40
  6. Step 6: Final answer
    x = 31,581,765.09

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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.