Home / 159,276,629,972.11-219,801,837,549.86-86,032,860,341.81

Finding the Fourth Proportional to 159,276,629,972.11, 219,801,837,549.86 and 86,032,860,341.81

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Solution

The fourth proportional to 159,276,629,972.11, 219,801,837,549.86 and 86,032,860,341.81 is: 118,725,394,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,276,629,972.11 : 219,801,837,549.86 = 86,032,860,341.81 : x
  2. Step 2: Convert to fraction form
    159,276,629,972.11/219,801,837,549.86 = 86,032,860,341.81/x
  3. Step 3: Cross multiply
    159,276,629,972.11x = 219,801,837,549.86 × 86,032,860,341.81
  4. Step 4: Simplify right side
    159,276,629,972.11x = 18,910,180,792,799,212,863,488
  5. Step 5: Solve for x
    x = 18,910,180,792,799,212,863,488/159,276,629,972.11
  6. Step 6: Final answer
    x = 118,725,394,906.40

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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.