Home / 132,816,091.80-199,037,513.70-105,568,987.80

Finding the Fourth Proportional to 132,816,091.80, 199,037,513.70 and 105,568,987.80

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Solution

The fourth proportional to 132,816,091.80, 199,037,513.70 and 105,568,987.80 is: 158,205,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,816,091.80 : 199,037,513.70 = 105,568,987.80 : x
  2. Step 2: Convert to fraction form
    132,816,091.80/199,037,513.70 = 105,568,987.80/x
  3. Step 3: Cross multiply
    132,816,091.80x = 199,037,513.70 × 105,568,987.80
  4. Step 4: Simplify right side
    132,816,091.80x = 21,012,188,855,537,632
  5. Step 5: Solve for x
    x = 21,012,188,855,537,632/132,816,091.80
  6. Step 6: Final answer
    x = 158,205,143.45

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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.