Finding the Fourth Proportional to 220,901,134,124.93, 304,851,086,745.66 and 128,194,810,968.01
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Solution
The fourth proportional to 220,901,134,124.93, 304,851,086,745.66 and 128,194,810,968.01 is: 176,913,204,151.55
Step by Step Solution
- Step 1: Write the proportion equation
220,901,134,124.93 : 304,851,086,745.66 = 128,194,810,968.01 : x - Step 2: Convert to fraction form
220,901,134,124.93/304,851,086,745.66 = 128,194,810,968.01/x - Step 3: Cross multiply
220,901,134,124.93x = 304,851,086,745.66 × 128,194,810,968.01 - Step 4: Simplify right side
220,901,134,124.93x = 39,080,327,438,752,297,254,912 - Step 5: Solve for x
x = 39,080,327,438,752,297,254,912/220,901,134,124.93 - Step 6: Final answer
x = 176,913,204,151.55
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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.