Home / 143,395,589,006.50-197,975,218,843.80-91,281,724,196.32

Finding the Fourth Proportional to 143,395,589,006.50, 197,975,218,843.80 and 91,281,724,196.32

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Solution

The fourth proportional to 143,395,589,006.50, 197,975,218,843.80 and 91,281,724,196.32 is: 126,025,629,166.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,395,589,006.50 : 197,975,218,843.80 = 91,281,724,196.32 : x
  2. Step 2: Convert to fraction form
    143,395,589,006.50/197,975,218,843.80 = 91,281,724,196.32/x
  3. Step 3: Cross multiply
    143,395,589,006.50x = 197,975,218,843.80 × 91,281,724,196.32
  4. Step 4: Simplify right side
    143,395,589,006.50x = 18,071,519,324,205,846,888,448
  5. Step 5: Solve for x
    x = 18,071,519,324,205,846,888,448/143,395,589,006.50
  6. Step 6: Final answer
    x = 126,025,629,166.23

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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.