Home / 193,555,355.70-290,333,033.55-186,986,190.90

Finding the Fourth Proportional to 193,555,355.70, 290,333,033.55 and 186,986,190.90

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Solution

The fourth proportional to 193,555,355.70, 290,333,033.55 and 186,986,190.90 is: 280,479,286.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,555,355.70 : 290,333,033.55 = 186,986,190.90 : x
  2. Step 2: Convert to fraction form
    193,555,355.70/290,333,033.55 = 186,986,190.90/x
  3. Step 3: Cross multiply
    193,555,355.70x = 290,333,033.55 × 186,986,190.90
  4. Step 4: Simplify right side
    193,555,355.70x = 54,288,268,035,956,408
  5. Step 5: Solve for x
    x = 54,288,268,035,956,408/193,555,355.70
  6. Step 6: Final answer
    x = 280,479,286.35

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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.