Finding the Fourth Proportional to 171,389,906.84, 236,590,481.11 and 115,710,750.24
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Solution
The fourth proportional to 171,389,906.84, 236,590,481.11 and 115,710,750.24 is: 159,729,721.38
Step by Step Solution
- Step 1: Write the proportion equation
171,389,906.84 : 236,590,481.11 = 115,710,750.24 : x - Step 2: Convert to fraction form
171,389,906.84/236,590,481.11 = 115,710,750.24/x - Step 3: Cross multiply
171,389,906.84x = 236,590,481.11 × 115,710,750.24 - Step 4: Simplify right side
171,389,906.84x = 27,376,062,068,412,452 - Step 5: Solve for x
x = 27,376,062,068,412,452/171,389,906.84 - Step 6: Final answer
x = 159,729,721.38
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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.