Home / 217,223,488.70-325,835,233.05-80,880,659.90

Finding the Fourth Proportional to 217,223,488.70, 325,835,233.05 and 80,880,659.90

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Solution

The fourth proportional to 217,223,488.70, 325,835,233.05 and 80,880,659.90 is: 121,320,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,223,488.70 : 325,835,233.05 = 80,880,659.90 : x
  2. Step 2: Convert to fraction form
    217,223,488.70/325,835,233.05 = 80,880,659.90/x
  3. Step 3: Cross multiply
    217,223,488.70x = 325,835,233.05 × 80,880,659.90
  4. Step 4: Simplify right side
    217,223,488.70x = 26,353,768,667,754,292
  5. Step 5: Solve for x
    x = 26,353,768,667,754,292/217,223,488.70
  6. Step 6: Final answer
    x = 121,320,989.85

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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.