Home / 121,470,481.50-167,629,264.50-66,466,338

Finding the Fourth Proportional to 121,470,481.50, 167,629,264.50 and 66,466,338

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Solution

The fourth proportional to 121,470,481.50, 167,629,264.50 and 66,466,338 is: 91,723,546.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,470,481.50 : 167,629,264.50 = 66,466,338 : x
  2. Step 2: Convert to fraction form
    121,470,481.50/167,629,264.50 = 66,466,338/x
  3. Step 3: Cross multiply
    121,470,481.50x = 167,629,264.50 × 66,466,338
  4. Step 4: Simplify right side
    121,470,481.50x = 11,141,703,352,948,400
  5. Step 5: Solve for x
    x = 11,141,703,352,948,400/121,470,481.50
  6. Step 6: Final answer
    x = 91,723,546.46

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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.