Finding the Fourth Proportional to 53,503,872.84, 73,835,778.42 and 29,057,761.80
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Solution
The fourth proportional to 53,503,872.84, 73,835,778.42 and 29,057,761.80 is: 40,099,946.93
Step by Step Solution
- Step 1: Write the proportion equation
53,503,872.84 : 73,835,778.42 = 29,057,761.80 : x - Step 2: Convert to fraction form
53,503,872.84/73,835,778.42 = 29,057,761.80/x - Step 3: Cross multiply
53,503,872.84x = 73,835,778.42 × 29,057,761.80 - Step 4: Simplify right side
53,503,872.84x = 2,145,502,461,645,940.50 - Step 5: Solve for x
x = 2,145,502,461,645,940.50/53,503,872.84 - Step 6: Final answer
x = 40,099,946.93
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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.