Home / 193,087,288.80-289,630,933.20-115,489,029.60

Finding the Fourth Proportional to 193,087,288.80, 289,630,933.20 and 115,489,029.60

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Solution

The fourth proportional to 193,087,288.80, 289,630,933.20 and 115,489,029.60 is: 173,233,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,087,288.80 : 289,630,933.20 = 115,489,029.60 : x
  2. Step 2: Convert to fraction form
    193,087,288.80/289,630,933.20 = 115,489,029.60/x
  3. Step 3: Cross multiply
    193,087,288.80x = 289,630,933.20 × 115,489,029.60
  4. Step 4: Simplify right side
    193,087,288.80x = 33,449,195,417,410,420
  5. Step 5: Solve for x
    x = 33,449,195,417,410,420/193,087,288.80
  6. Step 6: Final answer
    x = 173,233,544.40

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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.