Finding the Fourth Proportional to 97,775,817.20, 146,663,725.80 and 33,081,732.80
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Solution
The fourth proportional to 97,775,817.20, 146,663,725.80 and 33,081,732.80 is: 49,622,599.20
Step by Step Solution
- Step 1: Write the proportion equation
97,775,817.20 : 146,663,725.80 = 33,081,732.80 : x - Step 2: Convert to fraction form
97,775,817.20/146,663,725.80 = 33,081,732.80/x - Step 3: Cross multiply
97,775,817.20x = 146,663,725.80 × 33,081,732.80 - Step 4: Simplify right side
97,775,817.20x = 4,851,890,188,368,067 - Step 5: Solve for x
x = 4,851,890,188,368,067/97,775,817.20 - Step 6: Final answer
x = 49,622,599.20
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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.