Finding the Fourth Proportional to 65,263,433.20, 97,788,861.60 and 48,044,744.80
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Solution
The fourth proportional to 65,263,433.20, 97,788,861.60 and 48,044,744.80 is: 71,988,871.40
Step by Step Solution
- Step 1: Write the proportion equation
65,263,433.20 : 97,788,861.60 = 48,044,744.80 : x - Step 2: Convert to fraction form
65,263,433.20/97,788,861.60 = 48,044,744.80/x - Step 3: Cross multiply
65,263,433.20x = 97,788,861.60 × 48,044,744.80 - Step 4: Simplify right side
65,263,433.20x = 4,698,240,899,854,519 - Step 5: Solve for x
x = 4,698,240,899,854,519/65,263,433.20 - Step 6: Final answer
x = 71,988,871.40
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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.