Finding the Fourth Proportional to 84,953,745.60, 117,205,935.84 and 50,129,007.36
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Solution
The fourth proportional to 84,953,745.60, 117,205,935.84 and 50,129,007.36 is: 69,160,190.39
Step by Step Solution
- Step 1: Write the proportion equation
84,953,745.60 : 117,205,935.84 = 50,129,007.36 : x - Step 2: Convert to fraction form
84,953,745.60/117,205,935.84 = 50,129,007.36/x - Step 3: Cross multiply
84,953,745.60x = 117,205,935.84 × 50,129,007.36 - Step 4: Simplify right side
84,953,745.60x = 5,875,417,220,359,048 - Step 5: Solve for x
x = 5,875,417,220,359,048/84,953,745.60 - Step 6: Final answer
x = 69,160,190.39
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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.