Home / 123,902,014.75-170,984,922.32-68,896,690.27

Finding the Fourth Proportional to 123,902,014.75, 170,984,922.32 and 68,896,690.27

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Solution

The fourth proportional to 123,902,014.75, 170,984,922.32 and 68,896,690.27 is: 95,077,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,902,014.75 : 170,984,922.32 = 68,896,690.27 : x
  2. Step 2: Convert to fraction form
    123,902,014.75/170,984,922.32 = 68,896,690.27/x
  3. Step 3: Cross multiply
    123,902,014.75x = 170,984,922.32 × 68,896,690.27
  4. Step 4: Simplify right side
    123,902,014.75x = 11,780,295,233,921,048
  5. Step 5: Solve for x
    x = 11,780,295,233,921,048/123,902,014.75
  6. Step 6: Final answer
    x = 95,077,511.51

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Why These Related Problems?

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