Finding the Fourth Proportional to 203,823,629.24, 305,515,518.14 and 100,072,174.28
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Solution
The fourth proportional to 203,823,629.24, 305,515,518.14 and 100,072,174.28 is: 150,000,283.53
Step by Step Solution
- Step 1: Write the proportion equation
203,823,629.24 : 305,515,518.14 = 100,072,174.28 : x - Step 2: Convert to fraction form
203,823,629.24/305,515,518.14 = 100,072,174.28/x - Step 3: Cross multiply
203,823,629.24x = 305,515,518.14 × 100,072,174.28 - Step 4: Simplify right side
203,823,629.24x = 30,573,602,176,550,580 - Step 5: Solve for x
x = 30,573,602,176,550,580/203,823,629.24 - Step 6: Final answer
x = 150,000,283.53
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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.