Finding the Fourth Proportional to 46,493,493.62, 69,755,935.17 and 20,582,220.74
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Solution
The fourth proportional to 46,493,493.62, 69,755,935.17 and 20,582,220.74 is: 30,880,279.02
Step by Step Solution
- Step 1: Write the proportion equation
46,493,493.62 : 69,755,935.17 = 20,582,220.74 : x - Step 2: Convert to fraction form
46,493,493.62/69,755,935.17 = 20,582,220.74/x - Step 3: Cross multiply
46,493,493.62x = 69,755,935.17 × 20,582,220.74 - Step 4: Simplify right side
46,493,493.62x = 1,435,732,055,594,069.25 - Step 5: Solve for x
x = 1,435,732,055,594,069.25/46,493,493.62 - Step 6: Final answer
x = 30,880,279.02
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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.