Finding the Fourth Proportional to 49,986,146.72, 68,995,547.08 and 29,083,095.97
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Solution
The fourth proportional to 49,986,146.72, 68,995,547.08 and 29,083,095.97 is: 40,143,204.64
Step by Step Solution
- Step 1: Write the proportion equation
49,986,146.72 : 68,995,547.08 = 29,083,095.97 : x - Step 2: Convert to fraction form
49,986,146.72/68,995,547.08 = 29,083,095.97/x - Step 3: Cross multiply
49,986,146.72x = 68,995,547.08 × 29,083,095.97 - Step 4: Simplify right side
49,986,146.72x = 2,006,604,116,985,096.75 - Step 5: Solve for x
x = 2,006,604,116,985,096.75/49,986,146.72 - Step 6: Final answer
x = 40,143,204.64
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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.