Finding the Fourth Proportional to 54,451,155.40, 81,440,537.10 and 48,735,212.20
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Solution
The fourth proportional to 54,451,155.40, 81,440,537.10 and 48,735,212.20 is: 72,891,416.69
Step by Step Solution
- Step 1: Write the proportion equation
54,451,155.40 : 81,440,537.10 = 48,735,212.20 : x - Step 2: Convert to fraction form
54,451,155.40/81,440,537.10 = 48,735,212.20/x - Step 3: Cross multiply
54,451,155.40x = 81,440,537.10 × 48,735,212.20 - Step 4: Simplify right side
54,451,155.40x = 3,969,021,857,250,472.50 - Step 5: Solve for x
x = 3,969,021,857,250,472.50/54,451,155.40 - Step 6: Final answer
x = 72,891,416.69
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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.