Finding the Fourth Proportional to 64,674,916.80, 97,012,375.20 and 32,331,811.20
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Solution
The fourth proportional to 64,674,916.80, 97,012,375.20 and 32,331,811.20 is: 48,497,716.80
Step by Step Solution
- Step 1: Write the proportion equation
64,674,916.80 : 97,012,375.20 = 32,331,811.20 : x - Step 2: Convert to fraction form
64,674,916.80/97,012,375.20 = 32,331,811.20/x - Step 3: Cross multiply
64,674,916.80x = 97,012,375.20 × 32,331,811.20 - Step 4: Simplify right side
64,674,916.80x = 3,136,585,799,029,962.50 - Step 5: Solve for x
x = 3,136,585,799,029,962.50/64,674,916.80 - Step 6: Final answer
x = 48,497,716.80
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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.