Finding the Fourth Proportional to 73,511,312.70, 110,266,969.05 and 48,852,450.30
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Solution
The fourth proportional to 73,511,312.70, 110,266,969.05 and 48,852,450.30 is: 73,278,675.45
Step by Step Solution
- Step 1: Write the proportion equation
73,511,312.70 : 110,266,969.05 = 48,852,450.30 : x - Step 2: Convert to fraction form
73,511,312.70/110,266,969.05 = 48,852,450.30/x - Step 3: Cross multiply
73,511,312.70x = 110,266,969.05 × 48,852,450.30 - Step 4: Simplify right side
73,511,312.70x = 5,386,811,625,246,763 - Step 5: Solve for x
x = 5,386,811,625,246,763/73,511,312.70 - Step 6: Final answer
x = 73,278,675.45
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1.5x scale
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.