Home / 69,617,872.31-96,067,031.33-40,251,089.03

Finding the Fourth Proportional to 69,617,872.31, 96,067,031.33 and 40,251,089.03

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Solution

The fourth proportional to 69,617,872.31, 96,067,031.33 and 40,251,089.03 is: 55,543,246.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,617,872.31 : 96,067,031.33 = 40,251,089.03 : x
  2. Step 2: Convert to fraction form
    69,617,872.31/96,067,031.33 = 40,251,089.03/x
  3. Step 3: Cross multiply
    69,617,872.31x = 96,067,031.33 × 40,251,089.03
  4. Step 4: Simplify right side
    69,617,872.31x = 3,866,802,630,531,921.50
  5. Step 5: Solve for x
    x = 3,866,802,630,531,921.50/69,617,872.31
  6. Step 6: Final answer
    x = 55,543,246.33

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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.