Home / 135,634,481.76-187,169,889.60-76,901,098.80

Finding the Fourth Proportional to 135,634,481.76, 187,169,889.60 and 76,901,098.80

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Solution

The fourth proportional to 135,634,481.76, 187,169,889.60 and 76,901,098.80 is: 106,120,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,634,481.76 : 187,169,889.60 = 76,901,098.80 : x
  2. Step 2: Convert to fraction form
    135,634,481.76/187,169,889.60 = 76,901,098.80/x
  3. Step 3: Cross multiply
    135,634,481.76x = 187,169,889.60 × 76,901,098.80
  4. Step 4: Simplify right side
    135,634,481.76x = 14,393,570,172,514,692
  5. Step 5: Solve for x
    x = 14,393,570,172,514,692/135,634,481.76
  6. Step 6: Final answer
    x = 106,120,287.30

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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.