Home / 135,515,665.08-187,012,798.92-73,636,003.44

Finding the Fourth Proportional to 135,515,665.08, 187,012,798.92 and 73,636,003.44

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Solution

The fourth proportional to 135,515,665.08, 187,012,798.92 and 73,636,003.44 is: 101,618,326.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,515,665.08 : 187,012,798.92 = 73,636,003.44 : x
  2. Step 2: Convert to fraction form
    135,515,665.08/187,012,798.92 = 73,636,003.44/x
  3. Step 3: Cross multiply
    135,515,665.08x = 187,012,798.92 × 73,636,003.44
  4. Step 4: Simplify right side
    135,515,665.08x = 13,770,875,104,597,146
  5. Step 5: Solve for x
    x = 13,770,875,104,597,146/135,515,665.08
  6. Step 6: Final answer
    x = 101,618,326.53

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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.