Home / 101,122,865.22-139,509,846.50-58,729,207.71

Finding the Fourth Proportional to 101,122,865.22, 139,509,846.50 and 58,729,207.71

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Solution

The fourth proportional to 101,122,865.22, 139,509,846.50 and 58,729,207.71 is: 81,023,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,122,865.22 : 139,509,846.50 = 58,729,207.71 : x
  2. Step 2: Convert to fraction form
    101,122,865.22/139,509,846.50 = 58,729,207.71/x
  3. Step 3: Cross multiply
    101,122,865.22x = 139,509,846.50 × 58,729,207.71
  4. Step 4: Simplify right side
    101,122,865.22x = 8,193,302,752,835,540
  5. Step 5: Solve for x
    x = 8,193,302,752,835,540/101,122,865.22
  6. Step 6: Final answer
    x = 81,023,245.68

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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.