Home / 136,340,207.56-188,154,129.46-80,633,381

Finding the Fourth Proportional to 136,340,207.56, 188,154,129.46 and 80,633,381

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Solution

The fourth proportional to 136,340,207.56, 188,154,129.46 and 80,633,381 is: 111,276,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,340,207.56 : 188,154,129.46 = 80,633,381 : x
  2. Step 2: Convert to fraction form
    136,340,207.56/188,154,129.46 = 80,633,381/x
  3. Step 3: Cross multiply
    136,340,207.56x = 188,154,129.46 × 80,633,381
  4. Step 4: Simplify right side
    136,340,207.56x = 15,171,503,607,471,504
  5. Step 5: Solve for x
    x = 15,171,503,607,471,504/136,340,207.56
  6. Step 6: Final answer
    x = 111,276,811.73

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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.