Finding the Fourth Proportional to 151,825,346.05, 209,519,262.57 and 84,844,304.64
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Solution
The fourth proportional to 151,825,346.05, 209,519,262.57 and 84,844,304.64 is: 117,085,299.68
Step by Step Solution
- Step 1: Write the proportion equation
151,825,346.05 : 209,519,262.57 = 84,844,304.64 : x - Step 2: Convert to fraction form
151,825,346.05/209,519,262.57 = 84,844,304.64/x - Step 3: Cross multiply
151,825,346.05x = 209,519,262.57 × 84,844,304.64 - Step 4: Simplify right side
151,825,346.05x = 17,776,516,141,437,228 - Step 5: Solve for x
x = 17,776,516,141,437,228/151,825,346.05 - Step 6: Final answer
x = 117,085,299.68
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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.