Home / 125,638,135.80-188,469,645.30-43,744,414.20

Finding the Fourth Proportional to 125,638,135.80, 188,469,645.30 and 43,744,414.20

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Solution

The fourth proportional to 125,638,135.80, 188,469,645.30 and 43,744,414.20 is: 65,620,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,638,135.80 : 188,469,645.30 = 43,744,414.20 : x
  2. Step 2: Convert to fraction form
    125,638,135.80/188,469,645.30 = 43,744,414.20/x
  3. Step 3: Cross multiply
    125,638,135.80x = 188,469,645.30 × 43,744,414.20
  4. Step 4: Simplify right side
    125,638,135.80x = 8,244,494,228,130,284
  5. Step 5: Solve for x
    x = 8,244,494,228,130,284/125,638,135.80
  6. Step 6: Final answer
    x = 65,620,953.19

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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.