Finding the Fourth Proportional to 192,167,930.75, 288,192,279.70 and 69,330,279.73
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Solution
The fourth proportional to 192,167,930.75, 288,192,279.70 and 69,330,279.73 is: 103,973,911.20
Step by Step Solution
- Step 1: Write the proportion equation
192,167,930.75 : 288,192,279.70 = 69,330,279.73 : x - Step 2: Convert to fraction form
192,167,930.75/288,192,279.70 = 69,330,279.73/x - Step 3: Cross multiply
192,167,930.75x = 288,192,279.70 × 69,330,279.73 - Step 4: Simplify right side
192,167,930.75x = 19,980,451,367,728,764 - Step 5: Solve for x
x = 19,980,451,367,728,764/192,167,930.75 - Step 6: Final answer
x = 103,973,911.20
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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.