Finding the Fourth Proportional to 55,843,975.84, 83,765,341.68 and 21,789,243.04
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Solution
The fourth proportional to 55,843,975.84, 83,765,341.68 and 21,789,243.04 is: 32,683,621.84
Step by Step Solution
- Step 1: Write the proportion equation
55,843,975.84 : 83,765,341.68 = 21,789,243.04 : x - Step 2: Convert to fraction form
55,843,975.84/83,765,341.68 = 21,789,243.04/x - Step 3: Cross multiply
55,843,975.84x = 83,765,341.68 × 21,789,243.04 - Step 4: Simplify right side
55,843,975.84x = 1,825,183,388,194,162 - Step 5: Solve for x
x = 1,825,183,388,194,162/55,843,975.84 - Step 6: Final answer
x = 32,683,621.84
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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.