Home / 209,969,364.20-314,954,046.30-198,065,085.80

Finding the Fourth Proportional to 209,969,364.20, 314,954,046.30 and 198,065,085.80

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Solution

The fourth proportional to 209,969,364.20, 314,954,046.30 and 198,065,085.80 is: 297,097,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,969,364.20 : 314,954,046.30 = 198,065,085.80 : x
  2. Step 2: Convert to fraction form
    209,969,364.20/314,954,046.30 = 198,065,085.80/x
  3. Step 3: Cross multiply
    209,969,364.20x = 314,954,046.30 × 198,065,085.80
  4. Step 4: Simplify right side
    209,969,364.20x = 62,381,400,203,466,680
  5. Step 5: Solve for x
    x = 62,381,400,203,466,680/209,969,364.20
  6. Step 6: Final answer
    x = 297,097,628.70

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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.