Finding the Fourth Proportional to 80,195,346.57, 110,650,609.76 and 45,388,035.99
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Solution
The fourth proportional to 80,195,346.57, 110,650,609.76 and 45,388,035.99 is: 62,624,754.09
Step by Step Solution
- Step 1: Write the proportion equation
80,195,346.57 : 110,650,609.76 = 45,388,035.99 : x - Step 2: Convert to fraction form
80,195,346.57/110,650,609.76 = 45,388,035.99/x - Step 3: Cross multiply
80,195,346.57x = 110,650,609.76 × 45,388,035.99 - Step 4: Simplify right side
80,195,346.57x = 5,022,213,858,102,326 - Step 5: Solve for x
x = 5,022,213,858,102,326/80,195,346.57 - Step 6: Final answer
x = 62,624,754.09
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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.