Home / 193,550,491.20-290,325,736.80-132,238,286.40

Finding the Fourth Proportional to 193,550,491.20, 290,325,736.80 and 132,238,286.40

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Solution

The fourth proportional to 193,550,491.20, 290,325,736.80 and 132,238,286.40 is: 198,357,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,550,491.20 : 290,325,736.80 = 132,238,286.40 : x
  2. Step 2: Convert to fraction form
    193,550,491.20/290,325,736.80 = 132,238,286.40/x
  3. Step 3: Cross multiply
    193,550,491.20x = 290,325,736.80 × 132,238,286.40
  4. Step 4: Simplify right side
    193,550,491.20x = 38,392,177,932,249,424
  5. Step 5: Solve for x
    x = 38,392,177,932,249,424/193,550,491.20
  6. Step 6: Final answer
    x = 198,357,429.60

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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.