Home / 57,689,908.27-86,546,409.76-21,298,519.87

Finding the Fourth Proportional to 57,689,908.27, 86,546,409.76 and 21,298,519.87

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Solution

The fourth proportional to 57,689,908.27, 86,546,409.76 and 21,298,519.87 is: 31,952,042.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,689,908.27 : 86,546,409.76 = 21,298,519.87 : x
  2. Step 2: Convert to fraction form
    57,689,908.27/86,546,409.76 = 21,298,519.87/x
  3. Step 3: Cross multiply
    57,689,908.27x = 86,546,409.76 × 21,298,519.87
  4. Step 4: Simplify right side
    57,689,908.27x = 1,843,310,427,760,779
  5. Step 5: Solve for x
    x = 1,843,310,427,760,779/57,689,908.27
  6. Step 6: Final answer
    x = 31,952,042.97

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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.