Home / 79,291,290.33-118,936,935.49-73,910,450.20

Finding the Fourth Proportional to 79,291,290.33, 118,936,935.49 and 73,910,450.20

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Solution

The fourth proportional to 79,291,290.33, 118,936,935.49 and 73,910,450.20 is: 110,865,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,291,290.33 : 118,936,935.49 = 73,910,450.20 : x
  2. Step 2: Convert to fraction form
    79,291,290.33/118,936,935.49 = 73,910,450.20/x
  3. Step 3: Cross multiply
    79,291,290.33x = 118,936,935.49 × 73,910,450.20
  4. Step 4: Simplify right side
    79,291,290.33x = 8,790,682,447,474,258
  5. Step 5: Solve for x
    x = 8,790,682,447,474,258/79,291,290.33
  6. Step 6: Final answer
    x = 110,865,675.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.