Home / 217,609,661.80-326,225,535.90-131,256,404.20

Finding the Fourth Proportional to 217,609,661.80, 326,225,535.90 and 131,256,404.20

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Solution

The fourth proportional to 217,609,661.80, 326,225,535.90 and 131,256,404.20 is: 196,770,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,609,661.80 : 326,225,535.90 = 131,256,404.20 : x
  2. Step 2: Convert to fraction form
    217,609,661.80/326,225,535.90 = 131,256,404.20/x
  3. Step 3: Cross multiply
    217,609,661.80x = 326,225,535.90 × 131,256,404.20
  4. Step 4: Simplify right side
    217,609,661.80x = 42,819,190,800,452,008
  5. Step 5: Solve for x
    x = 42,819,190,800,452,008/217,609,661.80
  6. Step 6: Final answer
    x = 196,770,632.55

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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.