Finding the Fourth Proportional to 76,027,790.97, 114,053,070.43 and 27,516,994.97
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Solution
The fourth proportional to 76,027,790.97, 114,053,070.43 and 27,516,994.97 is: 41,279,612.70
Step by Step Solution
- Step 1: Write the proportion equation
76,027,790.97 : 114,053,070.43 = 27,516,994.97 : x - Step 2: Convert to fraction form
76,027,790.97/114,053,070.43 = 27,516,994.97/x - Step 3: Cross multiply
76,027,790.97x = 114,053,070.43 × 27,516,994.97 - Step 4: Simplify right side
76,027,790.97x = 3,138,397,765,441,045 - Step 5: Solve for x
x = 3,138,397,765,441,045/76,027,790.97 - Step 6: Final answer
x = 41,279,612.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.