Home / 83,817,245.38-115,568,835.96-57,368,339.86

Finding the Fourth Proportional to 83,817,245.38, 115,568,835.96 and 57,368,339.86

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Solution

The fourth proportional to 83,817,245.38, 115,568,835.96 and 57,368,339.86 is: 79,100,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,817,245.38 : 115,568,835.96 = 57,368,339.86 : x
  2. Step 2: Convert to fraction form
    83,817,245.38/115,568,835.96 = 57,368,339.86/x
  3. Step 3: Cross multiply
    83,817,245.38x = 115,568,835.96 × 57,368,339.86
  4. Step 4: Simplify right side
    83,817,245.38x = 6,629,992,258,577,869
  5. Step 5: Solve for x
    x = 6,629,992,258,577,869/83,817,245.38
  6. Step 6: Final answer
    x = 79,100,574.45

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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.