Home / 136,340,236.98-188,154,170.19-80,633,410.38

Finding the Fourth Proportional to 136,340,236.98, 188,154,170.19 and 80,633,410.38

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Solution

The fourth proportional to 136,340,236.98, 188,154,170.19 and 80,633,410.38 is: 111,276,852.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,340,236.98 : 188,154,170.19 = 80,633,410.38 : x
  2. Step 2: Convert to fraction form
    136,340,236.98/188,154,170.19 = 80,633,410.38/x
  3. Step 3: Cross multiply
    136,340,236.98x = 188,154,170.19 × 80,633,410.38
  4. Step 4: Simplify right side
    136,340,236.98x = 15,171,512,419,638,632
  5. Step 5: Solve for x
    x = 15,171,512,419,638,632/136,340,236.98
  6. Step 6: Final answer
    x = 111,276,852.35

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1.5x scale

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.