Home / 167,568,111.20-251,352,166.80-81,474,669.20

Finding the Fourth Proportional to 167,568,111.20, 251,352,166.80 and 81,474,669.20

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Solution

The fourth proportional to 167,568,111.20, 251,352,166.80 and 81,474,669.20 is: 122,212,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,568,111.20 : 251,352,166.80 = 81,474,669.20 : x
  2. Step 2: Convert to fraction form
    167,568,111.20/251,352,166.80 = 81,474,669.20/x
  3. Step 3: Cross multiply
    167,568,111.20x = 251,352,166.80 × 81,474,669.20
  4. Step 4: Simplify right side
    167,568,111.20x = 20,478,834,642,733,224
  5. Step 5: Solve for x
    x = 20,478,834,642,733,224/167,568,111.20
  6. Step 6: Final answer
    x = 122,212,003.80

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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.