Home / 127,771,160.78-176,469,647.76-85,882,501.97

Finding the Fourth Proportional to 127,771,160.78, 176,469,647.76 and 85,882,501.97

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Solution

The fourth proportional to 127,771,160.78, 176,469,647.76 and 85,882,501.97 is: 118,615,615.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,771,160.78 : 176,469,647.76 = 85,882,501.97 : x
  2. Step 2: Convert to fraction form
    127,771,160.78/176,469,647.76 = 85,882,501.97/x
  3. Step 3: Cross multiply
    127,771,160.78x = 176,469,647.76 × 85,882,501.97
  4. Step 4: Simplify right side
    127,771,160.78x = 15,155,654,870,511,058
  5. Step 5: Solve for x
    x = 15,155,654,870,511,058/127,771,160.78
  6. Step 6: Final answer
    x = 118,615,615.44

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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.