Finding the Fourth Proportional to 88,829,704.20, 133,244,556.30 and 74,799,661.80
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Solution
The fourth proportional to 88,829,704.20, 133,244,556.30 and 74,799,661.80 is: 112,199,492.70
Step by Step Solution
- Step 1: Write the proportion equation
88,829,704.20 : 133,244,556.30 = 74,799,661.80 : x - Step 2: Convert to fraction form
88,829,704.20/133,244,556.30 = 74,799,661.80/x - Step 3: Cross multiply
88,829,704.20x = 133,244,556.30 × 74,799,661.80 - Step 4: Simplify right side
88,829,704.20x = 9,966,647,747,931,058 - Step 5: Solve for x
x = 9,966,647,747,931,058/88,829,704.20 - Step 6: Final answer
x = 112,199,492.70
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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.