Home / 260,809,311.60-391,261,206.60-131,090,468.40

Finding the Fourth Proportional to 260,809,311.60, 391,261,206.60 and 131,090,468.40

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Solution

The fourth proportional to 260,809,311.60, 391,261,206.60 and 131,090,468.40 is: 196,659,446.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,809,311.60 : 391,261,206.60 = 131,090,468.40 : x
  2. Step 2: Convert to fraction form
    260,809,311.60/391,261,206.60 = 131,090,468.40/x
  3. Step 3: Cross multiply
    260,809,311.60x = 391,261,206.60 × 131,090,468.40
  4. Step 4: Simplify right side
    260,809,311.60x = 51,290,614,839,943,176
  5. Step 5: Solve for x
    x = 51,290,614,839,943,176/260,809,311.60
  6. Step 6: Final answer
    x = 196,659,446.42

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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.