Finding the Fourth Proportional to 205,119,147.48, 283,053,673.97 and 112,281,872.28
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Solution
The fourth proportional to 205,119,147.48, 283,053,673.97 and 112,281,872.28 is: 154,943,099.46
Step by Step Solution
- Step 1: Write the proportion equation
205,119,147.48 : 283,053,673.97 = 112,281,872.28 : x - Step 2: Convert to fraction form
205,119,147.48/283,053,673.97 = 112,281,872.28/x - Step 3: Cross multiply
205,119,147.48x = 283,053,673.97 × 112,281,872.28 - Step 4: Simplify right side
205,119,147.48x = 31,781,796,468,522,888 - Step 5: Solve for x
x = 31,781,796,468,522,888/205,119,147.48 - Step 6: Final answer
x = 154,943,099.46
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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.