Finding the Fourth Proportional to 166,559,658.81, 229,859,512.16 and 92,220,220.95
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Solution
The fourth proportional to 166,559,658.81, 229,859,512.16 and 92,220,220.95 is: 127,267,881.97
Step by Step Solution
- Step 1: Write the proportion equation
166,559,658.81 : 229,859,512.16 = 92,220,220.95 : x - Step 2: Convert to fraction form
166,559,658.81/229,859,512.16 = 92,220,220.95/x - Step 3: Cross multiply
166,559,658.81x = 229,859,512.16 × 92,220,220.95 - Step 4: Simplify right side
166,559,658.81x = 21,197,694,998,393,312 - Step 5: Solve for x
x = 21,197,694,998,393,312/166,559,658.81 - Step 6: Final answer
x = 127,267,881.97
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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.