Finding the Fourth Proportional to 265,224,076.80, 397,836,115.20 and 136,083,913.80
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Solution
The fourth proportional to 265,224,076.80, 397,836,115.20 and 136,083,913.80 is: 204,125,870.70
Step by Step Solution
- Step 1: Write the proportion equation
265,224,076.80 : 397,836,115.20 = 136,083,913.80 : x - Step 2: Convert to fraction form
265,224,076.80/397,836,115.20 = 136,083,913.80/x - Step 3: Cross multiply
265,224,076.80x = 397,836,115.20 × 136,083,913.80 - Step 4: Simplify right side
265,224,076.80x = 54,139,095,607,403,672 - Step 5: Solve for x
x = 54,139,095,607,403,672/265,224,076.80 - Step 6: Final answer
x = 204,125,870.70
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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.