Finding the Fourth Proportional to 182,576,699.21, 251,876,671.97 and 120,783,101.69
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Solution
The fourth proportional to 182,576,699.21, 251,876,671.97 and 120,783,101.69 is: 166,628,303.70
Step by Step Solution
- Step 1: Write the proportion equation
182,576,699.21 : 251,876,671.97 = 120,783,101.69 : x - Step 2: Convert to fraction form
182,576,699.21/251,876,671.97 = 120,783,101.69/x - Step 3: Cross multiply
182,576,699.21x = 251,876,671.97 × 120,783,101.69 - Step 4: Simplify right side
182,576,699.21x = 30,422,445,684,369,996 - Step 5: Solve for x
x = 30,422,445,684,369,996/182,576,699.21 - Step 6: Final answer
x = 166,628,303.70
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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.