Finding the Fourth Proportional to 265,152,858.19, 365,922,351.84 and 147,678,240.67
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Solution
The fourth proportional to 265,152,858.19, 365,922,351.84 and 147,678,240.67 is: 203,802,325.61
Step by Step Solution
- Step 1: Write the proportion equation
265,152,858.19 : 365,922,351.84 = 147,678,240.67 : x - Step 2: Convert to fraction form
265,152,858.19/365,922,351.84 = 147,678,240.67/x - Step 3: Cross multiply
265,152,858.19x = 365,922,351.84 × 147,678,240.67 - Step 4: Simplify right side
265,152,858.19x = 54,038,769,141,559,928 - Step 5: Solve for x
x = 54,038,769,141,559,928/265,152,858.19 - Step 6: Final answer
x = 203,802,325.61
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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.