Home / 217,223,487.70-325,835,231.55-80,880,658.90

Finding the Fourth Proportional to 217,223,487.70, 325,835,231.55 and 80,880,658.90

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Solution

The fourth proportional to 217,223,487.70, 325,835,231.55 and 80,880,658.90 is: 121,320,988.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,223,487.70 : 325,835,231.55 = 80,880,658.90 : x
  2. Step 2: Convert to fraction form
    217,223,487.70/325,835,231.55 = 80,880,658.90/x
  3. Step 3: Cross multiply
    217,223,487.70x = 325,835,231.55 × 80,880,658.90
  4. Step 4: Simplify right side
    217,223,487.70x = 26,353,768,220,598,072
  5. Step 5: Solve for x
    x = 26,353,768,220,598,072/217,223,487.70
  6. Step 6: Final answer
    x = 121,320,988.35

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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.