Finding the Fourth Proportional to 194,305,311.98, 291,161,389.25 and 115,366,372.44
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Solution
The fourth proportional to 194,305,311.98, 291,161,389.25 and 115,366,372.44 is: 172,873,468.72
Step by Step Solution
- Step 1: Write the proportion equation
194,305,311.98 : 291,161,389.25 = 115,366,372.44 : x - Step 2: Convert to fraction form
194,305,311.98/291,161,389.25 = 115,366,372.44/x - Step 3: Cross multiply
194,305,311.98x = 291,161,389.25 × 115,366,372.44 - Step 4: Simplify right side
194,305,311.98x = 33,590,233,271,559,872 - Step 5: Solve for x
x = 33,590,233,271,559,872/194,305,311.98 - Step 6: Final answer
x = 172,873,468.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.