Finding the Fourth Proportional to 166,221,809.34, 229,381,696.71 and 92,883,553.98
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Solution
The fourth proportional to 166,221,809.34, 229,381,696.71 and 92,883,553.98 is: 128,176,845.70
Step by Step Solution
- Step 1: Write the proportion equation
166,221,809.34 : 229,381,696.71 = 92,883,553.98 : x - Step 2: Convert to fraction form
166,221,809.34/229,381,696.71 = 92,883,553.98/x - Step 3: Cross multiply
166,221,809.34x = 229,381,696.71 × 92,883,553.98 - Step 4: Simplify right side
166,221,809.34x = 21,305,787,208,387,276 - Step 5: Solve for x
x = 21,305,787,208,387,276/166,221,809.34 - Step 6: Final answer
x = 128,176,845.70
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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.