Home / 68,650,800.40-102,976,200.60-36,290,198.80

Finding the Fourth Proportional to 68,650,800.40, 102,976,200.60 and 36,290,198.80

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Solution

The fourth proportional to 68,650,800.40, 102,976,200.60 and 36,290,198.80 is: 54,435,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,650,800.40 : 102,976,200.60 = 36,290,198.80 : x
  2. Step 2: Convert to fraction form
    68,650,800.40/102,976,200.60 = 36,290,198.80/x
  3. Step 3: Cross multiply
    68,650,800.40x = 102,976,200.60 × 36,290,198.80
  4. Step 4: Simplify right side
    68,650,800.40x = 3,737,026,791,442,679
  5. Step 5: Solve for x
    x = 3,737,026,791,442,679/68,650,800.40
  6. Step 6: Final answer
    x = 54,435,298.20

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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.