Home / 217,310,072.20-325,965,108.30-131,004,053.80

Finding the Fourth Proportional to 217,310,072.20, 325,965,108.30 and 131,004,053.80

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Solution

The fourth proportional to 217,310,072.20, 325,965,108.30 and 131,004,053.80 is: 196,506,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,310,072.20 : 325,965,108.30 = 131,004,053.80 : x
  2. Step 2: Convert to fraction form
    217,310,072.20/325,965,108.30 = 131,004,053.80/x
  3. Step 3: Cross multiply
    217,310,072.20x = 325,965,108.30 × 131,004,053.80
  4. Step 4: Simplify right side
    217,310,072.20x = 42,702,750,584,656,024
  5. Step 5: Solve for x
    x = 42,702,750,584,656,024/217,310,072.20
  6. Step 6: Final answer
    x = 196,506,080.70

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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.