Finding the Fourth Proportional to 66,804,827.70, 100,207,241.55 and 60,347,819.55
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Solution
The fourth proportional to 66,804,827.70, 100,207,241.55 and 60,347,819.55 is: 90,521,729.33
Step by Step Solution
- Step 1: Write the proportion equation
66,804,827.70 : 100,207,241.55 = 60,347,819.55 : x - Step 2: Convert to fraction form
66,804,827.70/100,207,241.55 = 60,347,819.55/x - Step 3: Cross multiply
66,804,827.70x = 100,207,241.55 × 60,347,819.55 - Step 4: Simplify right side
66,804,827.70x = 6,047,288,530,662,662 - Step 5: Solve for x
x = 6,047,288,530,662,662/66,804,827.70 - Step 6: Final answer
x = 90,521,729.33
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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.