Home / 281,200,420.55-421,802,032.19-115,294,546.33

Finding the Fourth Proportional to 281,200,420.55, 421,802,032.19 and 115,294,546.33

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Solution

The fourth proportional to 281,200,420.55, 421,802,032.19 and 115,294,546.33 is: 172,942,394.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,200,420.55 : 421,802,032.19 = 115,294,546.33 : x
  2. Step 2: Convert to fraction form
    281,200,420.55/421,802,032.19 = 115,294,546.33/x
  3. Step 3: Cross multiply
    281,200,420.55x = 421,802,032.19 × 115,294,546.33
  4. Step 4: Simplify right side
    281,200,420.55x = 48,631,473,940,787,128
  5. Step 5: Solve for x
    x = 48,631,473,940,787,128/281,200,420.55
  6. Step 6: Final answer
    x = 172,942,394.06

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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.