Finding the Fourth Proportional to 220,051,381.20, 330,077,071.80 and 58,493,317.20
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Solution
The fourth proportional to 220,051,381.20, 330,077,071.80 and 58,493,317.20 is: 87,739,975.80
Step by Step Solution
- Step 1: Write the proportion equation
220,051,381.20 : 330,077,071.80 = 58,493,317.20 : x - Step 2: Convert to fraction form
220,051,381.20/330,077,071.80 = 58,493,317.20/x - Step 3: Cross multiply
220,051,381.20x = 330,077,071.80 × 58,493,317.20 - Step 4: Simplify right side
220,051,381.20x = 19,307,302,861,244,576 - Step 5: Solve for x
x = 19,307,302,861,244,576/220,051,381.20 - Step 6: Final answer
x = 87,739,975.80
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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.