Home / 202,379,364.30-303,569,044.41-72,986,972.55

Finding the Fourth Proportional to 202,379,364.30, 303,569,044.41 and 72,986,972.55

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Solution

The fourth proportional to 202,379,364.30, 303,569,044.41 and 72,986,972.55 is: 109,480,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,379,364.30 : 303,569,044.41 = 72,986,972.55 : x
  2. Step 2: Convert to fraction form
    202,379,364.30/303,569,044.41 = 72,986,972.55/x
  3. Step 3: Cross multiply
    202,379,364.30x = 303,569,044.41 × 72,986,972.55
  4. Step 4: Simplify right side
    202,379,364.30x = 22,156,585,511,382,400
  5. Step 5: Solve for x
    x = 22,156,585,511,382,400/202,379,364.30
  6. Step 6: Final answer
    x = 109,480,458.09

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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.