Home / 312,263,116.20-468,058,751.10-118,099,506.60

Finding the Fourth Proportional to 312,263,116.20, 468,058,751.10 and 118,099,506.60

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Solution

The fourth proportional to 312,263,116.20, 468,058,751.10 and 118,099,506.60 is: 177,022,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,263,116.20 : 468,058,751.10 = 118,099,506.60 : x
  2. Step 2: Convert to fraction form
    312,263,116.20/468,058,751.10 = 118,099,506.60/x
  3. Step 3: Cross multiply
    312,263,116.20x = 468,058,751.10 × 118,099,506.60
  4. Step 4: Simplify right side
    312,263,116.20x = 55,277,507,564,722,208
  5. Step 5: Solve for x
    x = 55,277,507,564,722,208/312,263,116.20
  6. Step 6: Final answer
    x = 177,022,212.03

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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.