Finding the Fourth Proportional to 193,471,486.24, 267,001,881.84 and 145,701,240.64
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Solution
The fourth proportional to 193,471,486.24, 267,001,881.84 and 145,701,240.64 is: 201,076,169.90
Step by Step Solution
- Step 1: Write the proportion equation
193,471,486.24 : 267,001,881.84 = 145,701,240.64 : x - Step 2: Convert to fraction form
193,471,486.24/267,001,881.84 = 145,701,240.64/x - Step 3: Cross multiply
193,471,486.24x = 267,001,881.84 × 145,701,240.64 - Step 4: Simplify right side
193,471,486.24x = 38,902,505,437,302,680 - Step 5: Solve for x
x = 38,902,505,437,302,680/193,471,486.24 - Step 6: Final answer
x = 201,076,169.90
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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.