Finding the Fourth Proportional to 220,106,121.48, 303,739,882.56 and 126,017,146.80
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Solution
The fourth proportional to 220,106,121.48, 303,739,882.56 and 126,017,146.80 is: 173,899,903.88
Step by Step Solution
- Step 1: Write the proportion equation
220,106,121.48 : 303,739,882.56 = 126,017,146.80 : x - Step 2: Convert to fraction form
220,106,121.48/303,739,882.56 = 126,017,146.80/x - Step 3: Cross multiply
220,106,121.48x = 303,739,882.56 × 126,017,146.80 - Step 4: Simplify right side
220,106,121.48x = 38,276,433,369,578,280 - Step 5: Solve for x
x = 38,276,433,369,578,280/220,106,121.48 - Step 6: Final answer
x = 173,899,903.88
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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.