Finding the Fourth Proportional to 98,492,546.08, 135,917,342.78 and 53,836,514.30
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Solution
The fourth proportional to 98,492,546.08, 135,917,342.78 and 53,836,514.30 is: 74,293,093.84
Step by Step Solution
- Step 1: Write the proportion equation
98,492,546.08 : 135,917,342.78 = 53,836,514.30 : x - Step 2: Convert to fraction form
98,492,546.08/135,917,342.78 = 53,836,514.30/x - Step 3: Cross multiply
98,492,546.08x = 135,917,342.78 × 53,836,514.30 - Step 4: Simplify right side
98,492,546.08x = 7,317,315,968,193,471 - Step 5: Solve for x
x = 7,317,315,968,193,471/98,492,546.08 - Step 6: Final answer
x = 74,293,093.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.