Finding the Fourth Proportional to 75,890,456.28, 104,728,807.64 and 41,083,121.09
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Solution
The fourth proportional to 75,890,456.28, 104,728,807.64 and 41,083,121.09 is: 56,694,695.18
Step by Step Solution
- Step 1: Write the proportion equation
75,890,456.28 : 104,728,807.64 = 41,083,121.09 : x - Step 2: Convert to fraction form
75,890,456.28/104,728,807.64 = 41,083,121.09/x - Step 3: Cross multiply
75,890,456.28x = 104,728,807.64 × 41,083,121.09 - Step 4: Simplify right side
75,890,456.28x = 4,302,586,285,941,844 - Step 5: Solve for x
x = 4,302,586,285,941,844/75,890,456.28 - Step 6: Final answer
x = 56,694,695.18
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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.