Home / 211,366,481.60-317,049,722.40-90,434,129.60

Finding the Fourth Proportional to 211,366,481.60, 317,049,722.40 and 90,434,129.60

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Solution

The fourth proportional to 211,366,481.60, 317,049,722.40 and 90,434,129.60 is: 135,651,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,366,481.60 : 317,049,722.40 = 90,434,129.60 : x
  2. Step 2: Convert to fraction form
    211,366,481.60/317,049,722.40 = 90,434,129.60/x
  3. Step 3: Cross multiply
    211,366,481.60x = 317,049,722.40 × 90,434,129.60
  4. Step 4: Simplify right side
    211,366,481.60x = 28,672,115,685,165,620
  5. Step 5: Solve for x
    x = 28,672,115,685,165,620/211,366,481.60
  6. Step 6: Final answer
    x = 135,651,194.40

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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.