Home / 127,410,878.38-190,186,169.72-109,331,255.56

Finding the Fourth Proportional to 127,410,878.38, 190,186,169.72 and 109,331,255.56

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Solution

The fourth proportional to 127,410,878.38, 190,186,169.72 and 109,331,255.56 is: 163,198,723.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,410,878.38 : 190,186,169.72 = 109,331,255.56 : x
  2. Step 2: Convert to fraction form
    127,410,878.38/190,186,169.72 = 109,331,255.56/x
  3. Step 3: Cross multiply
    127,410,878.38x = 190,186,169.72 × 109,331,255.56
  4. Step 4: Simplify right side
    127,410,878.38x = 20,793,292,725,634,852
  5. Step 5: Solve for x
    x = 20,793,292,725,634,852/127,410,878.38
  6. Step 6: Final answer
    x = 163,198,723.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.