Home / 68,259,116.40-102,176,098.20-39,419,584.80

Finding the Fourth Proportional to 68,259,116.40, 102,176,098.20 and 39,419,584.80

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Solution

The fourth proportional to 68,259,116.40, 102,176,098.20 and 39,419,584.80 is: 59,006,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,259,116.40 : 102,176,098.20 = 39,419,584.80 : x
  2. Step 2: Convert to fraction form
    68,259,116.40/102,176,098.20 = 39,419,584.80/x
  3. Step 3: Cross multiply
    68,259,116.40x = 102,176,098.20 × 39,419,584.80
  4. Step 4: Simplify right side
    68,259,116.40x = 4,027,739,367,528,027
  5. Step 5: Solve for x
    x = 4,027,739,367,528,027/68,259,116.40
  6. Step 6: Final answer
    x = 59,006,614.50

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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.