Finding the Fourth Proportional to 215,310,443.58, 322,493,186.75 and 177,999,467.09
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Solution
The fourth proportional to 215,310,443.58, 322,493,186.75 and 177,999,467.09 is: 266,608,597.45
Step by Step Solution
- Step 1: Write the proportion equation
215,310,443.58 : 322,493,186.75 = 177,999,467.09 : x - Step 2: Convert to fraction form
215,310,443.58/322,493,186.75 = 177,999,467.09/x - Step 3: Cross multiply
215,310,443.58x = 322,493,186.75 × 177,999,467.09 - Step 4: Simplify right side
215,310,443.58x = 57,403,615,379,153,392 - Step 5: Solve for x
x = 57,403,615,379,153,392/215,310,443.58 - Step 6: Final answer
x = 266,608,597.45
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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.