Home / 62,100,124.05-85,640,042.43-49,078,491.15

Finding the Fourth Proportional to 62,100,124.05, 85,640,042.43 and 49,078,491.15

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Solution

The fourth proportional to 62,100,124.05, 85,640,042.43 and 49,078,491.15 is: 67,682,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,100,124.05 : 85,640,042.43 = 49,078,491.15 : x
  2. Step 2: Convert to fraction form
    62,100,124.05/85,640,042.43 = 49,078,491.15/x
  3. Step 3: Cross multiply
    62,100,124.05x = 85,640,042.43 × 49,078,491.15
  4. Step 4: Simplify right side
    62,100,124.05x = 4,203,084,064,486,379.50
  5. Step 5: Solve for x
    x = 4,203,084,064,486,379.50/62,100,124.05
  6. Step 6: Final answer
    x = 67,682,377.91

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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.