Finding the Fourth Proportional to 106,989,352.06, 160,538,939.02 and 50,965,721.53
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Solution
The fourth proportional to 106,989,352.06, 160,538,939.02 and 50,965,721.53 is: 76,474,739.80
Step by Step Solution
- Step 1: Write the proportion equation
106,989,352.06 : 160,538,939.02 = 50,965,721.53 : x - Step 2: Convert to fraction form
106,989,352.06/160,538,939.02 = 50,965,721.53/x - Step 3: Cross multiply
106,989,352.06x = 160,538,939.02 × 50,965,721.53 - Step 4: Simplify right side
106,989,352.06x = 8,181,982,859,884,863 - Step 5: Solve for x
x = 8,181,982,859,884,863/106,989,352.06 - Step 6: Final answer
x = 76,474,739.80
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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.