Finding the Fourth Proportional to 209,340,324.18, 288,889,661.25 and 116,518,840.02
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Solution
The fourth proportional to 209,340,324.18, 288,889,661.25 and 116,518,840.02 is: 160,796,006.95
Step by Step Solution
- Step 1: Write the proportion equation
209,340,324.18 : 288,889,661.25 = 116,518,840.02 : x - Step 2: Convert to fraction form
209,340,324.18/288,889,661.25 = 116,518,840.02/x - Step 3: Cross multiply
209,340,324.18x = 288,889,661.25 × 116,518,840.02 - Step 4: Simplify right side
209,340,324.18x = 33,661,088,222,620,744 - Step 5: Solve for x
x = 33,661,088,222,620,744/209,340,324.18 - Step 6: Final answer
x = 160,796,006.95
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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.