Finding the Fourth Proportional to 207,910,109,063.42, 286,917,635,135.24 and 115,212,511,952.78
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Solution
The fourth proportional to 207,910,109,063.42, 286,917,635,135.24 and 115,212,511,952.78 is: 158,994,200,024.20
Step by Step Solution
- Step 1: Write the proportion equation
207,910,109,063.42 : 286,917,635,135.24 = 115,212,511,952.78 : x - Step 2: Convert to fraction form
207,910,109,063.42/286,917,635,135.24 = 115,212,511,952.78/x - Step 3: Cross multiply
207,910,109,063.42x = 286,917,635,135.24 × 115,212,511,952.78 - Step 4: Simplify right side
207,910,109,063.42x = 33,056,501,467,482,209,386,496 - Step 5: Solve for x
x = 33,056,501,467,482,209,386,496/207,910,109,063.42 - Step 6: Final answer
x = 158,994,200,024.20
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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.