Finding the Fourth Proportional to 199,621,828.33, 275,493,034.81 and 114,874,924.96
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Solution
The fourth proportional to 199,621,828.33, 275,493,034.81 and 114,874,924.96 is: 158,535,977.58
Step by Step Solution
- Step 1: Write the proportion equation
199,621,828.33 : 275,493,034.81 = 114,874,924.96 : x - Step 2: Convert to fraction form
199,621,828.33/275,493,034.81 = 114,874,924.96/x - Step 3: Cross multiply
199,621,828.33x = 275,493,034.81 × 114,874,924.96 - Step 4: Simplify right side
199,621,828.33x = 31,647,241,699,423,952 - Step 5: Solve for x
x = 31,647,241,699,423,952/199,621,828.33 - Step 6: Final answer
x = 158,535,977.58
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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.