Home / 188,530,629.60-260,149,410.72-104,878,986.24

Finding the Fourth Proportional to 188,530,629.60, 260,149,410.72 and 104,878,986.24

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Solution

The fourth proportional to 188,530,629.60, 260,149,410.72 and 104,878,986.24 is: 144,720,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,530,629.60 : 260,149,410.72 = 104,878,986.24 : x
  2. Step 2: Convert to fraction form
    188,530,629.60/260,149,410.72 = 104,878,986.24/x
  3. Step 3: Cross multiply
    188,530,629.60x = 260,149,410.72 × 104,878,986.24
  4. Step 4: Simplify right side
    188,530,629.60x = 27,284,206,467,246,988
  5. Step 5: Solve for x
    x = 27,284,206,467,246,988/188,530,629.60
  6. Step 6: Final answer
    x = 144,720,285.11

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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.