Home / 159,276,629,974.11-219,801,837,552.62-86,032,860,343.81

Finding the Fourth Proportional to 159,276,629,974.11, 219,801,837,552.62 and 86,032,860,343.81

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Solution

The fourth proportional to 159,276,629,974.11, 219,801,837,552.62 and 86,032,860,343.81 is: 118,725,394,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,276,629,974.11 : 219,801,837,552.62 = 86,032,860,343.81 : x
  2. Step 2: Convert to fraction form
    159,276,629,974.11/219,801,837,552.62 = 86,032,860,343.81/x
  3. Step 3: Cross multiply
    159,276,629,974.11x = 219,801,837,552.62 × 86,032,860,343.81
  4. Step 4: Simplify right side
    159,276,629,974.11x = 18,910,180,793,477,368,905,728
  5. Step 5: Solve for x
    x = 18,910,180,793,477,368,905,728/159,276,629,974.11
  6. Step 6: Final answer
    x = 118,725,394,909.17

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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.