Finding the Fourth Proportional to 61,478,312.70, 92,217,469.05 and 16,040,107.20
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Solution
The fourth proportional to 61,478,312.70, 92,217,469.05 and 16,040,107.20 is: 24,060,160.80
Step by Step Solution
- Step 1: Write the proportion equation
61,478,312.70 : 92,217,469.05 = 16,040,107.20 : x - Step 2: Convert to fraction form
61,478,312.70/92,217,469.05 = 16,040,107.20/x - Step 3: Cross multiply
61,478,312.70x = 92,217,469.05 × 16,040,107.20 - Step 4: Simplify right side
61,478,312.70x = 1,479,178,089,274,682 - Step 5: Solve for x
x = 1,479,178,089,274,682/61,478,312.70 - Step 6: Final answer
x = 24,060,160.80
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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.