Home / 159,276,629,814.49-219,801,837,332.11-86,032,860,183.98

Finding the Fourth Proportional to 159,276,629,814.49, 219,801,837,332.11 and 86,032,860,183.98

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Solution

The fourth proportional to 159,276,629,814.49, 219,801,837,332.11 and 86,032,860,183.98 is: 118,725,394,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,276,629,814.49 : 219,801,837,332.11 = 86,032,860,183.98 : x
  2. Step 2: Convert to fraction form
    159,276,629,814.49/219,801,837,332.11 = 86,032,860,183.98/x
  3. Step 3: Cross multiply
    159,276,629,814.49x = 219,801,837,332.11 × 86,032,860,183.98
  4. Step 4: Simplify right side
    159,276,629,814.49x = 18,910,180,739,375,331,016,704
  5. Step 5: Solve for x
    x = 18,910,180,739,375,331,016,704/159,276,629,814.49
  6. Step 6: Final answer
    x = 118,725,394,688.47

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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.