Finding the Fourth Proportional to 76,190,466.19, 114,288,069.45 and 36,252,536.53
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Solution
The fourth proportional to 76,190,466.19, 114,288,069.45 and 36,252,536.53 is: 54,379,932.55
Step by Step Solution
- Step 1: Write the proportion equation
76,190,466.19 : 114,288,069.45 = 36,252,536.53 : x - Step 2: Convert to fraction form
76,190,466.19/114,288,069.45 = 36,252,536.53/x - Step 3: Cross multiply
76,190,466.19x = 114,288,069.45 × 36,252,536.53 - Step 4: Simplify right side
76,190,466.19x = 4,143,232,412,498,039 - Step 5: Solve for x
x = 4,143,232,412,498,039/76,190,466.19 - Step 6: Final answer
x = 54,379,932.55
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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.