Finding the Fourth Proportional to 88,599,974.20, 122,267,968.98 and 48,907,515.44
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Solution
The fourth proportional to 88,599,974.20, 122,267,968.98 and 48,907,515.44 is: 67,492,373.84
Step by Step Solution
- Step 1: Write the proportion equation
88,599,974.20 : 122,267,968.98 = 48,907,515.44 : x - Step 2: Convert to fraction form
88,599,974.20/122,267,968.98 = 48,907,515.44/x - Step 3: Cross multiply
88,599,974.20x = 122,267,968.98 × 48,907,515.44 - Step 4: Simplify right side
88,599,974.20x = 5,979,822,580,706,791 - Step 5: Solve for x
x = 5,979,822,580,706,791/88,599,974.20 - Step 6: Final answer
x = 67,492,373.84
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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.