Finding the Fourth Proportional to 73,616,562.30, 110,424,843.45 and 53,102,939.70
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Solution
The fourth proportional to 73,616,562.30, 110,424,843.45 and 53,102,939.70 is: 79,654,409.55
Step by Step Solution
- Step 1: Write the proportion equation
73,616,562.30 : 110,424,843.45 = 53,102,939.70 : x - Step 2: Convert to fraction form
73,616,562.30/110,424,843.45 = 53,102,939.70/x - Step 3: Cross multiply
73,616,562.30x = 110,424,843.45 × 53,102,939.70 - Step 4: Simplify right side
73,616,562.30x = 5,863,883,803,107,290 - Step 5: Solve for x
x = 5,863,883,803,107,290/73,616,562.30 - Step 6: Final answer
x = 79,654,409.55
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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.