Finding the Fourth Proportional to 66,367,773.20, 99,551,659.80 and 52,930,845.20
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Solution
The fourth proportional to 66,367,773.20, 99,551,659.80 and 52,930,845.20 is: 79,396,267.80
Step by Step Solution
- Step 1: Write the proportion equation
66,367,773.20 : 99,551,659.80 = 52,930,845.20 : x - Step 2: Convert to fraction form
66,367,773.20/99,551,659.80 = 52,930,845.20/x - Step 3: Cross multiply
66,367,773.20x = 99,551,659.80 × 52,930,845.20 - Step 4: Simplify right side
66,367,773.20x = 5,269,353,494,276,863 - Step 5: Solve for x
x = 5,269,353,494,276,863/66,367,773.20 - Step 6: Final answer
x = 79,396,267.80
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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.