Home / 68,608,205.60-102,912,308.40-41,690,112.80

Finding the Fourth Proportional to 68,608,205.60, 102,912,308.40 and 41,690,112.80

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Solution

The fourth proportional to 68,608,205.60, 102,912,308.40 and 41,690,112.80 is: 62,535,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,608,205.60 : 102,912,308.40 = 41,690,112.80 : x
  2. Step 2: Convert to fraction form
    68,608,205.60/102,912,308.40 = 41,690,112.80/x
  3. Step 3: Cross multiply
    68,608,205.60x = 102,912,308.40 × 41,690,112.80
  4. Step 4: Simplify right side
    68,608,205.60x = 4,290,425,745,704,387.50
  5. Step 5: Solve for x
    x = 4,290,425,745,704,387.50/68,608,205.60
  6. Step 6: Final answer
    x = 62,535,169.20

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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.