Home / 217,750,438.80-326,625,658.20-74,143,270.80

Finding the Fourth Proportional to 217,750,438.80, 326,625,658.20 and 74,143,270.80

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Solution

The fourth proportional to 217,750,438.80, 326,625,658.20 and 74,143,270.80 is: 111,214,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,750,438.80 : 326,625,658.20 = 74,143,270.80 : x
  2. Step 2: Convert to fraction form
    217,750,438.80/326,625,658.20 = 74,143,270.80/x
  3. Step 3: Cross multiply
    217,750,438.80x = 326,625,658.20 × 74,143,270.80
  4. Step 4: Simplify right side
    217,750,438.80x = 24,217,094,626,150,840
  5. Step 5: Solve for x
    x = 24,217,094,626,150,840/217,750,438.80
  6. Step 6: Final answer
    x = 111,214,906.20

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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.