Home / 312,027,331.20-467,705,073.60-117,863,721.60

Finding the Fourth Proportional to 312,027,331.20, 467,705,073.60 and 117,863,721.60

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Solution

The fourth proportional to 312,027,331.20, 467,705,073.60 and 117,863,721.60 is: 176,668,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,027,331.20 : 467,705,073.60 = 117,863,721.60 : x
  2. Step 2: Convert to fraction form
    312,027,331.20/467,705,073.60 = 117,863,721.60/x
  3. Step 3: Cross multiply
    312,027,331.20x = 467,705,073.60 × 117,863,721.60
  4. Step 4: Simplify right side
    312,027,331.20x = 55,125,460,585,697,912
  5. Step 5: Solve for x
    x = 55,125,460,585,697,912/312,027,331.20
  6. Step 6: Final answer
    x = 176,668,692.37

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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.