Home / 121,244,495.92-167,317,471.37-65,489,915.98

Finding the Fourth Proportional to 121,244,495.92, 167,317,471.37 and 65,489,915.98

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Solution

The fourth proportional to 121,244,495.92, 167,317,471.37 and 65,489,915.98 is: 90,376,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,244,495.92 : 167,317,471.37 = 65,489,915.98 : x
  2. Step 2: Convert to fraction form
    121,244,495.92/167,317,471.37 = 65,489,915.98/x
  3. Step 3: Cross multiply
    121,244,495.92x = 167,317,471.37 × 65,489,915.98
  4. Step 4: Simplify right side
    121,244,495.92x = 10,957,607,141,679,906
  5. Step 5: Solve for x
    x = 10,957,607,141,679,906/121,244,495.92
  6. Step 6: Final answer
    x = 90,376,120.24

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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.