Finding the Fourth Proportional to 163,138,227.84, 225,136,694.34 and 88,795,194.84
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Solution
The fourth proportional to 163,138,227.84, 225,136,694.34 and 88,795,194.84 is: 122,540,601.94
Step by Step Solution
- Step 1: Write the proportion equation
163,138,227.84 : 225,136,694.34 = 88,795,194.84 : x - Step 2: Convert to fraction form
163,138,227.84/225,136,694.34 = 88,795,194.84/x - Step 3: Cross multiply
163,138,227.84x = 225,136,694.34 × 88,795,194.84 - Step 4: Simplify right side
163,138,227.84x = 19,991,056,639,553,828 - Step 5: Solve for x
x = 19,991,056,639,553,828/163,138,227.84 - Step 6: Final answer
x = 122,540,601.94
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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.