Finding the Fourth Proportional to 49,329,165.30, 73,993,747.95 and 48,478,859.70
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Solution
The fourth proportional to 49,329,165.30, 73,993,747.95 and 48,478,859.70 is: 72,718,289.55
Step by Step Solution
- Step 1: Write the proportion equation
49,329,165.30 : 73,993,747.95 = 48,478,859.70 : x - Step 2: Convert to fraction form
49,329,165.30/73,993,747.95 = 48,478,859.70/x - Step 3: Cross multiply
49,329,165.30x = 73,993,747.95 × 48,478,859.70 - Step 4: Simplify right side
49,329,165.30x = 3,587,132,525,545,213 - Step 5: Solve for x
x = 3,587,132,525,545,213/49,329,165.30 - Step 6: Final answer
x = 72,718,289.55
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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.