Home / 118,800,497.17-178,164,277.19-82,147,890.43

Finding the Fourth Proportional to 118,800,497.17, 178,164,277.19 and 82,147,890.43

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Solution

The fourth proportional to 118,800,497.17, 178,164,277.19 and 82,147,890.43 is: 123,196,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,800,497.17 : 178,164,277.19 = 82,147,890.43 : x
  2. Step 2: Convert to fraction form
    118,800,497.17/178,164,277.19 = 82,147,890.43/x
  3. Step 3: Cross multiply
    118,800,497.17x = 178,164,277.19 × 82,147,890.43
  4. Step 4: Simplify right side
    118,800,497.17x = 14,635,819,519,842,708
  5. Step 5: Solve for x
    x = 14,635,819,519,842,708/118,800,497.17
  6. Step 6: Final answer
    x = 123,196,618.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.