Finding the Fourth Proportional to 53,245,159.20, 79,726,021.20 and 33,971,565.60
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Solution
The fourth proportional to 53,245,159.20, 79,726,021.20 and 33,971,565.60 is: 50,866,929.50
Step by Step Solution
- Step 1: Write the proportion equation
53,245,159.20 : 79,726,021.20 = 33,971,565.60 : x - Step 2: Convert to fraction form
53,245,159.20/79,726,021.20 = 33,971,565.60/x - Step 3: Cross multiply
53,245,159.20x = 79,726,021.20 × 33,971,565.60 - Step 4: Simplify right side
53,245,159.20x = 2,708,417,759,222,791 - Step 5: Solve for x
x = 2,708,417,759,222,791/53,245,159.20 - Step 6: Final answer
x = 50,866,929.50
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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.