Finding the Fourth Proportional to 232,601,322.36, 320,991,933.42 and 128,183,135.16
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Solution
The fourth proportional to 232,601,322.36, 320,991,933.42 and 128,183,135.16 is: 176,893,888.52
Step by Step Solution
- Step 1: Write the proportion equation
232,601,322.36 : 320,991,933.42 = 128,183,135.16 : x - Step 2: Convert to fraction form
232,601,322.36/320,991,933.42 = 128,183,135.16/x - Step 3: Cross multiply
232,601,322.36x = 320,991,933.42 × 128,183,135.16 - Step 4: Simplify right side
232,601,322.36x = 41,145,752,386,845,584 - Step 5: Solve for x
x = 41,145,752,386,845,584/232,601,322.36 - Step 6: Final answer
x = 176,893,888.52
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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.