Home / 132,922,918.80-199,589,664.60-72,456,742.80

Finding the Fourth Proportional to 132,922,918.80, 199,589,664.60 and 72,456,742.80

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Solution

The fourth proportional to 132,922,918.80, 199,589,664.60 and 72,456,742.80 is: 108,797,016.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,922,918.80 : 199,589,664.60 = 72,456,742.80 : x
  2. Step 2: Convert to fraction form
    132,922,918.80/199,589,664.60 = 72,456,742.80/x
  3. Step 3: Cross multiply
    132,922,918.80x = 199,589,664.60 × 72,456,742.80
  4. Step 4: Simplify right side
    132,922,918.80x = 14,461,616,993,460,464
  5. Step 5: Solve for x
    x = 14,461,616,993,460,464/132,922,918.80
  6. Step 6: Final answer
    x = 108,797,016.53

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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.