Home / 122,786,745.22-169,445,311.45-67,032,854.79

Finding the Fourth Proportional to 122,786,745.22, 169,445,311.45 and 67,032,854.79

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Solution

The fourth proportional to 122,786,745.22, 169,445,311.45 and 67,032,854.79 is: 92,505,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,786,745.22 : 169,445,311.45 = 67,032,854.79 : x
  2. Step 2: Convert to fraction form
    122,786,745.22/169,445,311.45 = 67,032,854.79/x
  3. Step 3: Cross multiply
    122,786,745.22x = 169,445,311.45 × 67,032,854.79
  4. Step 4: Simplify right side
    122,786,745.22x = 11,358,402,957,274,174
  5. Step 5: Solve for x
    x = 11,358,402,957,274,174/122,786,745.22
  6. Step 6: Final answer
    x = 92,505,122.90

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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.