Home / 69,761,536.18-104,571,960.55-43,872,339.80

Finding the Fourth Proportional to 69,761,536.18, 104,571,960.55 and 43,872,339.80

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Solution

The fourth proportional to 69,761,536.18, 104,571,960.55 and 43,872,339.80 is: 65,764,271.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,761,536.18 : 104,571,960.55 = 43,872,339.80 : x
  2. Step 2: Convert to fraction form
    69,761,536.18/104,571,960.55 = 43,872,339.80/x
  3. Step 3: Cross multiply
    69,761,536.18x = 104,571,960.55 × 43,872,339.80
  4. Step 4: Simplify right side
    69,761,536.18x = 4,587,816,586,278,935
  5. Step 5: Solve for x
    x = 4,587,816,586,278,935/69,761,536.18
  6. Step 6: Final answer
    x = 65,764,271.22

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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.