Finding the Fourth Proportional to 138,874,174.52, 207,902,617.49 and 92,701,517.93
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Solution
The fourth proportional to 138,874,174.52, 207,902,617.49 and 92,701,517.93 is: 138,779,497.98
Step by Step Solution
- Step 1: Write the proportion equation
138,874,174.52 : 207,902,617.49 = 92,701,517.93 : x - Step 2: Convert to fraction form
138,874,174.52/207,902,617.49 = 92,701,517.93/x - Step 3: Cross multiply
138,874,174.52x = 207,902,617.49 × 92,701,517.93 - Step 4: Simplify right side
138,874,174.52x = 19,272,888,222,135,408 - Step 5: Solve for x
x = 19,272,888,222,135,408/138,874,174.52 - Step 6: Final answer
x = 138,779,497.98
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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.