Finding the Fourth Proportional to 194,942,523.80, 292,413,785.70 and 156,678,771.80
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Solution
The fourth proportional to 194,942,523.80, 292,413,785.70 and 156,678,771.80 is: 235,018,157.70
Step by Step Solution
- Step 1: Write the proportion equation
194,942,523.80 : 292,413,785.70 = 156,678,771.80 : x - Step 2: Convert to fraction form
194,942,523.80/292,413,785.70 = 156,678,771.80/x - Step 3: Cross multiply
194,942,523.80x = 292,413,785.70 × 156,678,771.80 - Step 4: Simplify right side
194,942,523.80x = 45,815,032,800,864,408 - Step 5: Solve for x
x = 45,815,032,800,864,408/194,942,523.80 - Step 6: Final answer
x = 235,018,157.70
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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.