Home / 68,286,674.40-94,229,714.40-38,515,683.36

Finding the Fourth Proportional to 68,286,674.40, 94,229,714.40 and 38,515,683.36

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Solution

The fourth proportional to 68,286,674.40, 94,229,714.40 and 38,515,683.36 is: 53,148,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,286,674.40 : 94,229,714.40 = 38,515,683.36 : x
  2. Step 2: Convert to fraction form
    68,286,674.40/94,229,714.40 = 38,515,683.36/x
  3. Step 3: Cross multiply
    68,286,674.40x = 94,229,714.40 × 38,515,683.36
  4. Step 4: Simplify right side
    68,286,674.40x = 3,629,321,842,933,632.50
  5. Step 5: Solve for x
    x = 3,629,321,842,933,632.50/68,286,674.40
  6. Step 6: Final answer
    x = 53,148,317.37

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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.