Finding the Fourth Proportional to 180,325,473.21, 248,849,232.35 and 102,007,350.81
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Solution
The fourth proportional to 180,325,473.21, 248,849,232.35 and 102,007,350.81 is: 140,770,188.99
Step by Step Solution
- Step 1: Write the proportion equation
180,325,473.21 : 248,849,232.35 = 102,007,350.81 : x - Step 2: Convert to fraction form
180,325,473.21/248,849,232.35 = 102,007,350.81/x - Step 3: Cross multiply
180,325,473.21x = 248,849,232.35 × 102,007,350.81 - Step 4: Simplify right side
180,325,473.21x = 25,384,450,942,615,616 - Step 5: Solve for x
x = 25,384,450,942,615,616/180,325,473.21 - Step 6: Final answer
x = 140,770,188.99
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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.