Home / 166,420,820.52-229,667,501.16-92,080,171.62

Finding the Fourth Proportional to 166,420,820.52, 229,667,501.16 and 92,080,171.62

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Solution

The fourth proportional to 166,420,820.52, 229,667,501.16 and 92,080,171.62 is: 127,074,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,420,820.52 : 229,667,501.16 = 92,080,171.62 : x
  2. Step 2: Convert to fraction form
    166,420,820.52/229,667,501.16 = 92,080,171.62/x
  3. Step 3: Cross multiply
    166,420,820.52x = 229,667,501.16 × 92,080,171.62
  4. Step 4: Simplify right side
    166,420,820.52x = 21,147,822,922,349,348
  5. Step 5: Solve for x
    x = 21,147,822,922,349,348/166,420,820.52
  6. Step 6: Final answer
    x = 127,074,382.02

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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.