Finding the Fourth Proportional to 61,478,821.20, 92,218,231.80 and 16,040,615.70
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Solution
The fourth proportional to 61,478,821.20, 92,218,231.80 and 16,040,615.70 is: 24,060,923.55
Step by Step Solution
- Step 1: Write the proportion equation
61,478,821.20 : 92,218,231.80 = 16,040,615.70 : x - Step 2: Convert to fraction form
61,478,821.20/92,218,231.80 = 16,040,615.70/x - Step 3: Cross multiply
61,478,821.20x = 92,218,231.80 × 16,040,615.70 - Step 4: Simplify right side
61,478,821.20x = 1,479,237,216,837,319.25 - Step 5: Solve for x
x = 1,479,237,216,837,319.25/61,478,821.20 - Step 6: Final answer
x = 24,060,923.55
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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.