Finding the Fourth Proportional to 275,764,163.28, 413,642,701.80 and 91,616,313.84
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Solution
The fourth proportional to 275,764,163.28, 413,642,701.80 and 91,616,313.84 is: 137,423,293.64
Step by Step Solution
- Step 1: Write the proportion equation
275,764,163.28 : 413,642,701.80 = 91,616,313.84 : x - Step 2: Convert to fraction form
275,764,163.28/413,642,701.80 = 91,616,313.84/x - Step 3: Cross multiply
275,764,163.28x = 413,642,701.80 × 91,616,313.84 - Step 4: Simplify right side
275,764,163.28x = 37,896,419,585,734,336 - Step 5: Solve for x
x = 37,896,419,585,734,336/275,764,163.28 - Step 6: Final answer
x = 137,423,293.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.