Home / 217,310,070.20-325,965,105.30-131,004,051.80

Finding the Fourth Proportional to 217,310,070.20, 325,965,105.30 and 131,004,051.80

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Solution

The fourth proportional to 217,310,070.20, 325,965,105.30 and 131,004,051.80 is: 196,506,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,310,070.20 : 325,965,105.30 = 131,004,051.80 : x
  2. Step 2: Convert to fraction form
    217,310,070.20/325,965,105.30 = 131,004,051.80/x
  3. Step 3: Cross multiply
    217,310,070.20x = 325,965,105.30 × 131,004,051.80
  4. Step 4: Simplify right side
    217,310,070.20x = 42,702,749,539,713,656
  5. Step 5: Solve for x
    x = 42,702,749,539,713,656/217,310,070.20
  6. Step 6: Final answer
    x = 196,506,077.70

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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.