Home / 214,933,986.60-322,400,979.90-211,346,759.85

Finding the Fourth Proportional to 214,933,986.60, 322,400,979.90 and 211,346,759.85

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Solution

The fourth proportional to 214,933,986.60, 322,400,979.90 and 211,346,759.85 is: 317,020,139.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,933,986.60 : 322,400,979.90 = 211,346,759.85 : x
  2. Step 2: Convert to fraction form
    214,933,986.60/322,400,979.90 = 211,346,759.85/x
  3. Step 3: Cross multiply
    214,933,986.60x = 322,400,979.90 × 211,346,759.85
  4. Step 4: Simplify right side
    214,933,986.60x = 68,138,402,474,329,968
  5. Step 5: Solve for x
    x = 68,138,402,474,329,968/214,933,986.60
  6. Step 6: Final answer
    x = 317,020,139.78

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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.