Home / 113,051,286.45-156,044,607.05-66,021,046.09

Finding the Fourth Proportional to 113,051,286.45, 156,044,607.05 and 66,021,046.09

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Solution

The fourth proportional to 113,051,286.45, 156,044,607.05 and 66,021,046.09 is: 91,128,801.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,051,286.45 : 156,044,607.05 = 66,021,046.09 : x
  2. Step 2: Convert to fraction form
    113,051,286.45/156,044,607.05 = 66,021,046.09/x
  3. Step 3: Cross multiply
    113,051,286.45x = 156,044,607.05 × 66,021,046.09
  4. Step 4: Simplify right side
    113,051,286.45x = 10,302,228,193,813,884
  5. Step 5: Solve for x
    x = 10,302,228,193,813,884/113,051,286.45
  6. Step 6: Final answer
    x = 91,128,801.07

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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.