Home / 69,385,047.72-95,761,562.88-40,010,642.88

Finding the Fourth Proportional to 69,385,047.72, 95,761,562.88 and 40,010,642.88

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Solution

The fourth proportional to 69,385,047.72, 95,761,562.88 and 40,010,642.88 is: 55,220,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,385,047.72 : 95,761,562.88 = 40,010,642.88 : x
  2. Step 2: Convert to fraction form
    69,385,047.72/95,761,562.88 = 40,010,642.88/x
  3. Step 3: Cross multiply
    69,385,047.72x = 95,761,562.88 × 40,010,642.88
  4. Step 4: Simplify right side
    69,385,047.72x = 3,831,481,694,022,344.50
  5. Step 5: Solve for x
    x = 3,831,481,694,022,344.50/69,385,047.72
  6. Step 6: Final answer
    x = 55,220,567.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.