Home / 80,863,696.29-111,645,766.02-47,834,556.12

Finding the Fourth Proportional to 80,863,696.29, 111,645,766.02 and 47,834,556.12

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Solution

The fourth proportional to 80,863,696.29, 111,645,766.02 and 47,834,556.12 is: 66,043,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,863,696.29 : 111,645,766.02 = 47,834,556.12 : x
  2. Step 2: Convert to fraction form
    80,863,696.29/111,645,766.02 = 47,834,556.12/x
  3. Step 3: Cross multiply
    80,863,696.29x = 111,645,766.02 × 47,834,556.12
  4. Step 4: Simplify right side
    80,863,696.29x = 5,340,525,660,244,079
  5. Step 5: Solve for x
    x = 5,340,525,660,244,079/80,863,696.29
  6. Step 6: Final answer
    x = 66,043,551.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.