Home / 193,548,005.20-290,322,007.80-186,978,840.40

Finding the Fourth Proportional to 193,548,005.20, 290,322,007.80 and 186,978,840.40

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Solution

The fourth proportional to 193,548,005.20, 290,322,007.80 and 186,978,840.40 is: 280,468,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,548,005.20 : 290,322,007.80 = 186,978,840.40 : x
  2. Step 2: Convert to fraction form
    193,548,005.20/290,322,007.80 = 186,978,840.40/x
  3. Step 3: Cross multiply
    193,548,005.20x = 290,322,007.80 × 186,978,840.40
  4. Step 4: Simplify right side
    193,548,005.20x = 54,284,072,361,043,760
  5. Step 5: Solve for x
    x = 54,284,072,361,043,760/193,548,005.20
  6. Step 6: Final answer
    x = 280,468,260.60

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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.