Finding the Fourth Proportional to 91,157,958.98, 125,797,967.76 and 49,342,016
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Solution
The fourth proportional to 91,157,958.98, 125,797,967.76 and 49,342,016 is: 68,091,973.62
Step by Step Solution
- Step 1: Write the proportion equation
91,157,958.98 : 125,797,967.76 = 49,342,016 : x - Step 2: Convert to fraction form
91,157,958.98/125,797,967.76 = 49,342,016/x - Step 3: Cross multiply
91,157,958.98x = 125,797,967.76 × 49,342,016 - Step 4: Simplify right side
91,157,958.98x = 6,207,125,337,981,404 - Step 5: Solve for x
x = 6,207,125,337,981,404/91,157,958.98 - Step 6: Final answer
x = 68,091,973.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.