Home / 231,147,526,608.84-346,638,108,243.06-80,012,763,745.32

Finding the Fourth Proportional to 231,147,526,608.84, 346,638,108,243.06 and 80,012,763,745.32

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Solution

The fourth proportional to 231,147,526,608.84, 346,638,108,243.06 and 80,012,763,745.32 is: 119,990,351,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,147,526,608.84 : 346,638,108,243.06 = 80,012,763,745.32 : x
  2. Step 2: Convert to fraction form
    231,147,526,608.84/346,638,108,243.06 = 80,012,763,745.32/x
  3. Step 3: Cross multiply
    231,147,526,608.84x = 346,638,108,243.06 × 80,012,763,745.32
  4. Step 4: Simplify right side
    231,147,526,608.84x = 27,735,473,059,976,622,112,768
  5. Step 5: Solve for x
    x = 27,735,473,059,976,622,112,768/231,147,526,608.84
  6. Step 6: Final answer
    x = 119,990,351,905.92

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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.