Home / 83,817,245.88-115,568,836.65-57,368,340.36

Finding the Fourth Proportional to 83,817,245.88, 115,568,836.65 and 57,368,340.36

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Solution

The fourth proportional to 83,817,245.88, 115,568,836.65 and 57,368,340.36 is: 79,100,575.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,817,245.88 : 115,568,836.65 = 57,368,340.36 : x
  2. Step 2: Convert to fraction form
    83,817,245.88/115,568,836.65 = 57,368,340.36/x
  3. Step 3: Cross multiply
    83,817,245.88x = 115,568,836.65 × 57,368,340.36
  4. Step 4: Simplify right side
    83,817,245.88x = 6,629,992,355,946,442
  5. Step 5: Solve for x
    x = 6,629,992,355,946,442/83,817,245.88
  6. Step 6: Final answer
    x = 79,100,575.14

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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.