Finding the Fourth Proportional to 170,313,646, 235,032,922.56 and 91,997,198.32
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Solution
The fourth proportional to 170,313,646, 235,032,922.56 and 91,997,198.32 is: 126,956,182.88
Step by Step Solution
- Step 1: Write the proportion equation
170,313,646 : 235,032,922.56 = 91,997,198.32 : x - Step 2: Convert to fraction form
170,313,646/235,032,922.56 = 91,997,198.32/x - Step 3: Cross multiply
170,313,646x = 235,032,922.56 × 91,997,198.32 - Step 4: Simplify right side
170,313,646x = 21,622,370,388,481,520 - Step 5: Solve for x
x = 21,622,370,388,481,520/170,313,646 - Step 6: Final answer
x = 126,956,182.88
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1.5x scale
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.