Finding the Fourth Proportional to 202,992,893.51, 280,132,880.42 and 110,174,513.99
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Solution
The fourth proportional to 202,992,893.51, 280,132,880.42 and 110,174,513.99 is: 152,042,287.88
Step by Step Solution
- Step 1: Write the proportion equation
202,992,893.51 : 280,132,880.42 = 110,174,513.99 : x - Step 2: Convert to fraction form
202,992,893.51/280,132,880.42 = 110,174,513.99/x - Step 3: Cross multiply
202,992,893.51x = 280,132,880.42 × 110,174,513.99 - Step 4: Simplify right side
202,992,893.51x = 30,863,503,951,767,060 - Step 5: Solve for x
x = 30,863,503,951,767,060/202,992,893.51 - Step 6: Final answer
x = 152,042,287.88
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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.