Finding the Fourth Proportional to 46,628,276.80, 69,942,415.20 and 29,622,164.80
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Solution
The fourth proportional to 46,628,276.80, 69,942,415.20 and 29,622,164.80 is: 44,433,247.20
Step by Step Solution
- Step 1: Write the proportion equation
46,628,276.80 : 69,942,415.20 = 29,622,164.80 : x - Step 2: Convert to fraction form
46,628,276.80/69,942,415.20 = 29,622,164.80/x - Step 3: Cross multiply
46,628,276.80x = 69,942,415.20 × 29,622,164.80 - Step 4: Simplify right side
46,628,276.80x = 2,071,845,749,564,425 - Step 5: Solve for x
x = 2,071,845,749,564,425/46,628,276.80 - Step 6: Final answer
x = 44,433,247.20
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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.