Home / 263,953,556.64-395,957,301.12-91,430,049.60

Finding the Fourth Proportional to 263,953,556.64, 395,957,301.12 and 91,430,049.60

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Solution

The fourth proportional to 263,953,556.64, 395,957,301.12 and 91,430,049.60 is: 137,154,415.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,953,556.64 : 395,957,301.12 = 91,430,049.60 : x
  2. Step 2: Convert to fraction form
    263,953,556.64/395,957,301.12 = 91,430,049.60/x
  3. Step 3: Cross multiply
    263,953,556.64x = 395,957,301.12 × 91,430,049.60
  4. Step 4: Simplify right side
    263,953,556.64x = 36,202,395,680,883,736
  5. Step 5: Solve for x
    x = 36,202,395,680,883,736/263,953,556.64
  6. Step 6: Final answer
    x = 137,154,415.12

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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.