Finding the Fourth Proportional to 163,364,604.30, 245,046,906.45 and 126,376,310.70
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Solution
The fourth proportional to 163,364,604.30, 245,046,906.45 and 126,376,310.70 is: 189,564,466.05
Step by Step Solution
- Step 1: Write the proportion equation
163,364,604.30 : 245,046,906.45 = 126,376,310.70 : x - Step 2: Convert to fraction form
163,364,604.30/245,046,906.45 = 126,376,310.70/x - Step 3: Cross multiply
163,364,604.30x = 245,046,906.45 × 126,376,310.70 - Step 4: Simplify right side
163,364,604.30x = 30,968,123,985,599,032 - Step 5: Solve for x
x = 30,968,123,985,599,032/163,364,604.30 - Step 6: Final answer
x = 189,564,466.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.