Home / 217,296,266.40-325,944,399.60-148,421,512.80

Finding the Fourth Proportional to 217,296,266.40, 325,944,399.60 and 148,421,512.80

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Solution

The fourth proportional to 217,296,266.40, 325,944,399.60 and 148,421,512.80 is: 222,632,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,296,266.40 : 325,944,399.60 = 148,421,512.80 : x
  2. Step 2: Convert to fraction form
    217,296,266.40/325,944,399.60 = 148,421,512.80/x
  3. Step 3: Cross multiply
    217,296,266.40x = 325,944,399.60 × 148,421,512.80
  4. Step 4: Simplify right side
    217,296,266.40x = 48,377,160,877,319,720
  5. Step 5: Solve for x
    x = 48,377,160,877,319,720/217,296,266.40
  6. Step 6: Final answer
    x = 222,632,269.20

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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.