Home / 209,114,823.60-313,672,235.40-192,393,313.20

Finding the Fourth Proportional to 209,114,823.60, 313,672,235.40 and 192,393,313.20

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Solution

The fourth proportional to 209,114,823.60, 313,672,235.40 and 192,393,313.20 is: 288,589,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,114,823.60 : 313,672,235.40 = 192,393,313.20 : x
  2. Step 2: Convert to fraction form
    209,114,823.60/313,672,235.40 = 192,393,313.20/x
  3. Step 3: Cross multiply
    209,114,823.60x = 313,672,235.40 × 192,393,313.20
  4. Step 4: Simplify right side
    209,114,823.60x = 60,348,440,627,456,320
  5. Step 5: Solve for x
    x = 60,348,440,627,456,320/209,114,823.60
  6. Step 6: Final answer
    x = 288,589,969.80

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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.