Home / 217,310,079.70-325,965,119.55-131,004,061.30

Finding the Fourth Proportional to 217,310,079.70, 325,965,119.55 and 131,004,061.30

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Solution

The fourth proportional to 217,310,079.70, 325,965,119.55 and 131,004,061.30 is: 196,506,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,310,079.70 : 325,965,119.55 = 131,004,061.30 : x
  2. Step 2: Convert to fraction form
    217,310,079.70/325,965,119.55 = 131,004,061.30/x
  3. Step 3: Cross multiply
    217,310,079.70x = 325,965,119.55 × 131,004,061.30
  4. Step 4: Simplify right side
    217,310,079.70x = 42,702,754,503,190,032
  5. Step 5: Solve for x
    x = 42,702,754,503,190,032/217,310,079.70
  6. Step 6: Final answer
    x = 196,506,091.95

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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.