Home / 217,465,289.76-326,035,004.72-131,183,584.32

Finding the Fourth Proportional to 217,465,289.76, 326,035,004.72 and 131,183,584.32

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Solution

The fourth proportional to 217,465,289.76, 326,035,004.72 and 131,183,584.32 is: 196,677,090.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,465,289.76 : 326,035,004.72 = 131,183,584.32 : x
  2. Step 2: Convert to fraction form
    217,465,289.76/326,035,004.72 = 131,183,584.32/x
  3. Step 3: Cross multiply
    217,465,289.76x = 326,035,004.72 × 131,183,584.32
  4. Step 4: Simplify right side
    217,465,289.76x = 42,770,440,532,957,720
  5. Step 5: Solve for x
    x = 42,770,440,532,957,720/217,465,289.76
  6. Step 6: Final answer
    x = 196,677,090.77

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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.