Home / 257,906,556.67-355,909,532.21-140,431,605.63

Finding the Fourth Proportional to 257,906,556.67, 355,909,532.21 and 140,431,605.63

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Solution

The fourth proportional to 257,906,556.67, 355,909,532.21 and 140,431,605.63 is: 193,794,790.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,906,556.67 : 355,909,532.21 = 140,431,605.63 : x
  2. Step 2: Convert to fraction form
    257,906,556.67/355,909,532.21 = 140,431,605.63/x
  3. Step 3: Cross multiply
    257,906,556.67x = 355,909,532.21 × 140,431,605.63
  4. Step 4: Simplify right side
    257,906,556.67x = 49,980,947,068,431,624
  5. Step 5: Solve for x
    x = 49,980,947,068,431,624/257,906,556.67
  6. Step 6: Final answer
    x = 193,794,790.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.