Finding the Fourth Proportional to 73,446,743.70, 110,170,115.55 and 33,135,959.70
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Solution
The fourth proportional to 73,446,743.70, 110,170,115.55 and 33,135,959.70 is: 49,703,939.55
Step by Step Solution
- Step 1: Write the proportion equation
73,446,743.70 : 110,170,115.55 = 33,135,959.70 : x - Step 2: Convert to fraction form
73,446,743.70/110,170,115.55 = 33,135,959.70/x - Step 3: Cross multiply
73,446,743.70x = 110,170,115.55 × 33,135,959.70 - Step 4: Simplify right side
73,446,743.70x = 3,650,592,509,009,143 - Step 5: Solve for x
x = 3,650,592,509,009,143/73,446,743.70 - Step 6: Final answer
x = 49,703,939.55
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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.