Home / 77,201,195.10-115,805,516.85-25,384,650.57

Finding the Fourth Proportional to 77,201,195.10, 115,805,516.85 and 25,384,650.57

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Solution

The fourth proportional to 77,201,195.10, 115,805,516.85 and 25,384,650.57 is: 38,078,200.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,201,195.10 : 115,805,516.85 = 25,384,650.57 : x
  2. Step 2: Convert to fraction form
    77,201,195.10/115,805,516.85 = 25,384,650.57/x
  3. Step 3: Cross multiply
    77,201,195.10x = 115,805,516.85 × 25,384,650.57
  4. Step 4: Simplify right side
    77,201,195.10x = 2,939,682,579,315,497
  5. Step 5: Solve for x
    x = 2,939,682,579,315,497/77,201,195.10
  6. Step 6: Final answer
    x = 38,078,200.42

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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.