Finding the Fourth Proportional to 292,694,516.75, 439,067,581.89 and 82,607,074.14
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Solution
The fourth proportional to 292,694,516.75, 439,067,581.89 and 82,607,074.14 is: 123,917,894.65
Step by Step Solution
- Step 1: Write the proportion equation
292,694,516.75 : 439,067,581.89 = 82,607,074.14 : x - Step 2: Convert to fraction form
292,694,516.75/439,067,581.89 = 82,607,074.14/x - Step 3: Cross multiply
292,694,516.75x = 439,067,581.89 × 82,607,074.14 - Step 4: Simplify right side
292,694,516.75x = 36,270,088,290,548,904 - Step 5: Solve for x
x = 36,270,088,290,548,904/292,694,516.75 - Step 6: Final answer
x = 123,917,894.65
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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.