Home / 217,080,834.80-325,526,773.80-71,458,127.60

Finding the Fourth Proportional to 217,080,834.80, 325,526,773.80 and 71,458,127.60

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Solution

The fourth proportional to 217,080,834.80, 325,526,773.80 and 71,458,127.60 is: 107,156,091.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,080,834.80 : 325,526,773.80 = 71,458,127.60 : x
  2. Step 2: Convert to fraction form
    217,080,834.80/325,526,773.80 = 71,458,127.60/x
  3. Step 3: Cross multiply
    217,080,834.80x = 325,526,773.80 × 71,458,127.60
  4. Step 4: Simplify right side
    217,080,834.80x = 23,261,533,739,416,736
  5. Step 5: Solve for x
    x = 23,261,533,739,416,736/217,080,834.80
  6. Step 6: Final answer
    x = 107,156,091.24

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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.