Finding the Fourth Proportional to 79,656,310.80, 119,484,466.20 and 49,045,309.20
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Solution
The fourth proportional to 79,656,310.80, 119,484,466.20 and 49,045,309.20 is: 73,567,963.80
Step by Step Solution
- Step 1: Write the proportion equation
79,656,310.80 : 119,484,466.20 = 49,045,309.20 : x - Step 2: Convert to fraction form
79,656,310.80/119,484,466.20 = 49,045,309.20/x - Step 3: Cross multiply
79,656,310.80x = 119,484,466.20 × 49,045,309.20 - Step 4: Simplify right side
79,656,310.80x = 5,860,152,589,375,950 - Step 5: Solve for x
x = 5,860,152,589,375,950/79,656,310.80 - Step 6: Final answer
x = 73,567,963.80
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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.