Finding the Fourth Proportional to 203,829,705.14, 281,288,229.02 and 115,721,904.92
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Solution
The fourth proportional to 203,829,705.14, 281,288,229.02 and 115,721,904.92 is: 159,698,065.94
Step by Step Solution
- Step 1: Write the proportion equation
203,829,705.14 : 281,288,229.02 = 115,721,904.92 : x - Step 2: Convert to fraction form
203,829,705.14/281,288,229.02 = 115,721,904.92/x - Step 3: Cross multiply
203,829,705.14x = 281,288,229.02 × 115,721,904.92 - Step 4: Simplify right side
203,829,705.14x = 32,551,209,691,782,576 - Step 5: Solve for x
x = 32,551,209,691,782,576/203,829,705.14 - Step 6: Final answer
x = 159,698,065.94
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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.