Home / 126,816,198.80-189,720,413.40-109,964,051.60

Finding the Fourth Proportional to 126,816,198.80, 189,720,413.40 and 109,964,051.60

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Solution

The fourth proportional to 126,816,198.80, 189,720,413.40 and 109,964,051.60 is: 164,509,152.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,816,198.80 : 189,720,413.40 = 109,964,051.60 : x
  2. Step 2: Convert to fraction form
    126,816,198.80/189,720,413.40 = 109,964,051.60/x
  3. Step 3: Cross multiply
    126,816,198.80x = 189,720,413.40 × 109,964,051.60
  4. Step 4: Simplify right side
    126,816,198.80x = 20,862,425,328,690,932
  5. Step 5: Solve for x
    x = 20,862,425,328,690,932/126,816,198.80
  6. Step 6: Final answer
    x = 164,509,152.03

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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.