Finding the Fourth Proportional to 178,274,906.99, 267,182,203.41 and 79,834,538.85
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Solution
The fourth proportional to 178,274,906.99, 267,182,203.41 and 79,834,538.85 is: 119,648,740.02
Step by Step Solution
- Step 1: Write the proportion equation
178,274,906.99 : 267,182,203.41 = 79,834,538.85 : x - Step 2: Convert to fraction form
178,274,906.99/267,182,203.41 = 79,834,538.85/x - Step 3: Cross multiply
178,274,906.99x = 267,182,203.41 × 79,834,538.85 - Step 4: Simplify right side
178,274,906.99x = 21,330,367,998,164,244 - Step 5: Solve for x
x = 21,330,367,998,164,244/178,274,906.99 - Step 6: Final answer
x = 119,648,740.02
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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.