Home / 68,650,811.40-102,976,217.10-36,290,209.80

Finding the Fourth Proportional to 68,650,811.40, 102,976,217.10 and 36,290,209.80

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Solution

The fourth proportional to 68,650,811.40, 102,976,217.10 and 36,290,209.80 is: 54,435,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,650,811.40 : 102,976,217.10 = 36,290,209.80 : x
  2. Step 2: Convert to fraction form
    68,650,811.40/102,976,217.10 = 36,290,209.80/x
  3. Step 3: Cross multiply
    68,650,811.40x = 102,976,217.10 × 36,290,209.80
  4. Step 4: Simplify right side
    68,650,811.40x = 3,737,028,522,969,347
  5. Step 5: Solve for x
    x = 3,737,028,522,969,347/68,650,811.40
  6. Step 6: Final answer
    x = 54,435,314.70

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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.