Finding the Fourth Proportional to 115,068,662.24, 172,601,812.38 and 66,515,622
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Solution
The fourth proportional to 115,068,662.24, 172,601,812.38 and 66,515,622 is: 99,772,750.33
Step by Step Solution
- Step 1: Write the proportion equation
115,068,662.24 : 172,601,812.38 = 66,515,622 : x - Step 2: Convert to fraction form
115,068,662.24/172,601,812.38 = 66,515,622/x - Step 3: Cross multiply
115,068,662.24x = 172,601,812.38 × 66,515,622 - Step 4: Simplify right side
115,068,662.24x = 11,480,716,908,783,000 - Step 5: Solve for x
x = 11,480,716,908,783,000/115,068,662.24 - Step 6: Final answer
x = 99,772,750.33
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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.