Finding the Fourth Proportional to 171,396,497.52, 236,599,550.82 and 115,717,347
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Solution
The fourth proportional to 171,396,497.52, 236,599,550.82 and 115,717,347 is: 159,738,808.66
Step by Step Solution
- Step 1: Write the proportion equation
171,396,497.52 : 236,599,550.82 = 115,717,347 : x - Step 2: Convert to fraction form
171,396,497.52/236,599,550.82 = 115,717,347/x - Step 3: Cross multiply
171,396,497.52x = 236,599,550.82 × 115,717,347 - Step 4: Simplify right side
171,396,497.52x = 27,378,672,322,282,072 - Step 5: Solve for x
x = 27,378,672,322,282,072/171,396,497.52 - Step 6: Final answer
x = 159,738,808.66
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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.