Finding the Fourth Proportional to 303,203,094.09, 418,421,522.94 and 163,973,852.97
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Solution
The fourth proportional to 303,203,094.09, 418,421,522.94 and 163,973,852.97 is: 226,284,594.78
Step by Step Solution
- Step 1: Write the proportion equation
303,203,094.09 : 418,421,522.94 = 163,973,852.97 : x - Step 2: Convert to fraction form
303,203,094.09/418,421,522.94 = 163,973,852.97/x - Step 3: Cross multiply
303,203,094.09x = 418,421,522.94 × 163,973,852.97 - Step 4: Simplify right side
303,203,094.09x = 68,610,189,282,047,040 - Step 5: Solve for x
x = 68,610,189,282,047,040/303,203,094.09 - Step 6: Final answer
x = 226,284,594.78
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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.