Finding the Fourth Proportional to 292,431,140.24, 403,541,128.84 and 175,021,160.72
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Solution
The fourth proportional to 292,431,140.24, 403,541,128.84 and 175,021,160.72 is: 241,520,915.69
Step by Step Solution
- Step 1: Write the proportion equation
292,431,140.24 : 403,541,128.84 = 175,021,160.72 : x - Step 2: Convert to fraction form
292,431,140.24/403,541,128.84 = 175,021,160.72/x - Step 3: Cross multiply
292,431,140.24x = 403,541,128.84 × 175,021,160.72 - Step 4: Simplify right side
292,431,140.24x = 70,628,236,767,835,864 - Step 5: Solve for x
x = 70,628,236,767,835,864/292,431,140.24 - Step 6: Final answer
x = 241,520,915.69
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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.