Home / 218,617,668.70-327,943,456.35-73,051,750.60

Finding the Fourth Proportional to 218,617,668.70, 327,943,456.35 and 73,051,750.60

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Solution

The fourth proportional to 218,617,668.70, 327,943,456.35 and 73,051,750.60 is: 109,583,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,617,668.70 : 327,943,456.35 = 73,051,750.60 : x
  2. Step 2: Convert to fraction form
    218,617,668.70/327,943,456.35 = 73,051,750.60/x
  3. Step 3: Cross multiply
    218,617,668.70x = 327,943,456.35 × 73,051,750.60
  4. Step 4: Simplify right side
    218,617,668.70x = 23,956,843,584,182,188
  5. Step 5: Solve for x
    x = 23,956,843,584,182,188/218,617,668.70
  6. Step 6: Final answer
    x = 109,583,290.90

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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.