Home / 71,344,069.20-107,016,103.80-66,566,494.80

Finding the Fourth Proportional to 71,344,069.20, 107,016,103.80 and 66,566,494.80

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Solution

The fourth proportional to 71,344,069.20, 107,016,103.80 and 66,566,494.80 is: 99,849,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,344,069.20 : 107,016,103.80 = 66,566,494.80 : x
  2. Step 2: Convert to fraction form
    71,344,069.20/107,016,103.80 = 66,566,494.80/x
  3. Step 3: Cross multiply
    71,344,069.20x = 107,016,103.80 × 66,566,494.80
  4. Step 4: Simplify right side
    71,344,069.20x = 7,123,686,917,118,960
  5. Step 5: Solve for x
    x = 7,123,686,917,118,960/71,344,069.20
  6. Step 6: Final answer
    x = 99,849,742.20

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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.