Home / 217,747,281.60-326,620,922.40-192,238,113.60

Finding the Fourth Proportional to 217,747,281.60, 326,620,922.40 and 192,238,113.60

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Solution

The fourth proportional to 217,747,281.60, 326,620,922.40 and 192,238,113.60 is: 288,357,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,747,281.60 : 326,620,922.40 = 192,238,113.60 : x
  2. Step 2: Convert to fraction form
    217,747,281.60/326,620,922.40 = 192,238,113.60/x
  3. Step 3: Cross multiply
    217,747,281.60x = 326,620,922.40 × 192,238,113.60
  4. Step 4: Simplify right side
    217,747,281.60x = 62,788,989,984,467,976
  5. Step 5: Solve for x
    x = 62,788,989,984,467,976/217,747,281.60
  6. Step 6: Final answer
    x = 288,357,170.40

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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.