Finding the Fourth Proportional to 264,622,415.21, 365,179,235.74 and 147,145,223.17
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Solution
The fourth proportional to 264,622,415.21, 365,179,235.74 and 147,145,223.17 is: 203,060,576.32
Step by Step Solution
- Step 1: Write the proportion equation
264,622,415.21 : 365,179,235.74 = 147,145,223.17 : x - Step 2: Convert to fraction form
264,622,415.21/365,179,235.74 = 147,145,223.17/x - Step 3: Cross multiply
264,622,415.21x = 365,179,235.74 × 147,145,223.17 - Step 4: Simplify right side
264,622,415.21x = 53,734,380,140,012,336 - Step 5: Solve for x
x = 53,734,380,140,012,336/264,622,415.21 - Step 6: Final answer
x = 203,060,576.32
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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.