Finding the Fourth Proportional to 105,514,171.26, 145,617,634.26 and 66,389,484.84
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Solution
The fourth proportional to 105,514,171.26, 145,617,634.26 and 66,389,484.84 is: 91,622,571.70
Step by Step Solution
- Step 1: Write the proportion equation
105,514,171.26 : 145,617,634.26 = 66,389,484.84 : x - Step 2: Convert to fraction form
105,514,171.26/145,617,634.26 = 66,389,484.84/x - Step 3: Cross multiply
105,514,171.26x = 145,617,634.26 × 66,389,484.84 - Step 4: Simplify right side
105,514,171.26x = 9,667,479,722,140,934 - Step 5: Solve for x
x = 9,667,479,722,140,934/105,514,171.26 - Step 6: Final answer
x = 91,622,571.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.