Finding the Fourth Proportional to 84,804,844.84, 117,033,527.66 and 47,129,596.46
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Solution
The fourth proportional to 84,804,844.84, 117,033,527.66 and 47,129,596.46 is: 65,040,422.41
Step by Step Solution
- Step 1: Write the proportion equation
84,804,844.84 : 117,033,527.66 = 47,129,596.46 : x - Step 2: Convert to fraction form
84,804,844.84/117,033,527.66 = 47,129,596.46/x - Step 3: Cross multiply
84,804,844.84x = 117,033,527.66 × 47,129,596.46 - Step 4: Simplify right side
84,804,844.84x = 5,515,742,930,906,048 - Step 5: Solve for x
x = 5,515,742,930,906,048/84,804,844.84 - Step 6: Final answer
x = 65,040,422.41
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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.