Home / 218,948,568.69-300,539,563.03-193,613,660.85

Finding the Fourth Proportional to 218,948,568.69, 300,539,563.03 and 193,613,660.85

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Solution

The fourth proportional to 218,948,568.69, 300,539,563.03 and 193,613,660.85 is: 265,763,623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,948,568.69 : 300,539,563.03 = 193,613,660.85 : x
  2. Step 2: Convert to fraction form
    218,948,568.69/300,539,563.03 = 193,613,660.85/x
  3. Step 3: Cross multiply
    218,948,568.69x = 300,539,563.03 × 193,613,660.85
  4. Step 4: Simplify right side
    218,948,568.69x = 58,188,565,028,497,608
  5. Step 5: Solve for x
    x = 58,188,565,028,497,608/218,948,568.69
  6. Step 6: Final answer
    x = 265,763,623.74

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.