Finding the Fourth Proportional to 53,294,559.12, 79,936,458.66 and 36,132,951.42
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Solution
The fourth proportional to 53,294,559.12, 79,936,458.66 and 36,132,951.42 is: 54,195,779.55
Step by Step Solution
- Step 1: Write the proportion equation
53,294,559.12 : 79,936,458.66 = 36,132,951.42 : x - Step 2: Convert to fraction form
53,294,559.12/79,936,458.66 = 36,132,951.42/x - Step 3: Cross multiply
53,294,559.12x = 79,936,458.66 × 36,132,951.42 - Step 4: Simplify right side
53,294,559.12x = 2,888,340,177,448,618.50 - Step 5: Solve for x
x = 2,888,340,177,448,618.50/53,294,559.12 - Step 6: Final answer
x = 54,195,779.55
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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.