Home / 121,115,896.37-167,137,804.44-68,903,819.22

Finding the Fourth Proportional to 121,115,896.37, 167,137,804.44 and 68,903,819.22

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Solution

The fourth proportional to 121,115,896.37, 167,137,804.44 and 68,903,819.22 is: 95,086,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,115,896.37 : 167,137,804.44 = 68,903,819.22 : x
  2. Step 2: Convert to fraction form
    121,115,896.37/167,137,804.44 = 68,903,819.22/x
  3. Step 3: Cross multiply
    121,115,896.37x = 167,137,804.44 × 68,903,819.22
  4. Step 4: Simplify right side
    121,115,896.37x = 11,516,433,061,961,472
  5. Step 5: Solve for x
    x = 11,516,433,061,961,472/121,115,896.37
  6. Step 6: Final answer
    x = 95,086,057.30

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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.