Finding the Fourth Proportional to 68,205,586.14, 102,306,902.05 and 19,020,127.07
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Solution
The fourth proportional to 68,205,586.14, 102,306,902.05 and 19,020,127.07 is: 28,529,778.67
Step by Step Solution
- Step 1: Write the proportion equation
68,205,586.14 : 102,306,902.05 = 19,020,127.07 : x - Step 2: Convert to fraction form
68,205,586.14/102,306,902.05 = 19,020,127.07/x - Step 3: Cross multiply
68,205,586.14x = 102,306,902.05 × 19,020,127.07 - Step 4: Simplify right side
68,205,586.14x = 1,945,890,277,003,581.25 - Step 5: Solve for x
x = 1,945,890,277,003,581.25/68,205,586.14 - Step 6: Final answer
x = 28,529,778.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.