Home / 69,761,536.93-104,571,961.67-43,872,340.55

Finding the Fourth Proportional to 69,761,536.93, 104,571,961.67 and 43,872,340.55

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Solution

The fourth proportional to 69,761,536.93, 104,571,961.67 and 43,872,340.55 is: 65,764,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,761,536.93 : 104,571,961.67 = 43,872,340.55 : x
  2. Step 2: Convert to fraction form
    69,761,536.93/104,571,961.67 = 43,872,340.55/x
  3. Step 3: Cross multiply
    69,761,536.93x = 104,571,961.67 × 43,872,340.55
  4. Step 4: Simplify right side
    69,761,536.93x = 4,587,816,714,367,786
  5. Step 5: Solve for x
    x = 4,587,816,714,367,786/69,761,536.93
  6. Step 6: Final answer
    x = 65,764,272.35

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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.