Finding the Fourth Proportional to 115,160,840.62, 172,741,260.92 and 38,483,868.84
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Solution
The fourth proportional to 115,160,840.62, 172,741,260.92 and 38,483,868.84 is: 57,725,803.26
Step by Step Solution
- Step 1: Write the proportion equation
115,160,840.62 : 172,741,260.92 = 38,483,868.84 : x - Step 2: Convert to fraction form
115,160,840.62/172,741,260.92 = 38,483,868.84/x - Step 3: Cross multiply
115,160,840.62x = 172,741,260.92 × 38,483,868.84 - Step 4: Simplify right side
115,160,840.62x = 6,647,752,028,501,498 - Step 5: Solve for x
x = 6,647,752,028,501,498/115,160,840.62 - Step 6: Final answer
x = 57,725,803.26
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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.