Finding the Fourth Proportional to 198,407,501.06, 273,935,960.88 and 177,434,462.66
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Solution
The fourth proportional to 198,407,501.06, 273,935,960.88 and 177,434,462.66 is: 244,979,044.45
Step by Step Solution
- Step 1: Write the proportion equation
198,407,501.06 : 273,935,960.88 = 177,434,462.66 : x - Step 2: Convert to fraction form
198,407,501.06/273,935,960.88 = 177,434,462.66/x - Step 3: Cross multiply
198,407,501.06x = 273,935,960.88 × 177,434,462.66 - Step 4: Simplify right side
198,407,501.06x = 48,605,680,021,993,576 - Step 5: Solve for x
x = 48,605,680,021,993,576/198,407,501.06 - Step 6: Final answer
x = 244,979,044.45
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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.