Finding the Fourth Proportional to 216,021,323.28, 298,110,178.84 and 116,902,045.84
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Solution
The fourth proportional to 216,021,323.28, 298,110,178.84 and 116,902,045.84 is: 161,325,230.60
Step by Step Solution
- Step 1: Write the proportion equation
216,021,323.28 : 298,110,178.84 = 116,902,045.84 : x - Step 2: Convert to fraction form
216,021,323.28/298,110,178.84 = 116,902,045.84/x - Step 3: Cross multiply
216,021,323.28x = 298,110,178.84 × 116,902,045.84 - Step 4: Simplify right side
216,021,323.28x = 34,849,689,792,124,276 - Step 5: Solve for x
x = 34,849,689,792,124,276/216,021,323.28 - Step 6: Final answer
x = 161,325,230.60
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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.