Finding the Fourth Proportional to 103,672,171.99, 155,531,452.94 and 38,976,537.66
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Solution
The fourth proportional to 103,672,171.99, 155,531,452.94 and 38,976,537.66 is: 58,473,526.85
Step by Step Solution
- Step 1: Write the proportion equation
103,672,171.99 : 155,531,452.94 = 38,976,537.66 : x - Step 2: Convert to fraction form
103,672,171.99/155,531,452.94 = 38,976,537.66/x - Step 3: Cross multiply
103,672,171.99x = 155,531,452.94 × 38,976,537.66 - Step 4: Simplify right side
103,672,171.99x = 6,062,077,532,830,427 - Step 5: Solve for x
x = 6,062,077,532,830,427/103,672,171.99 - Step 6: Final answer
x = 58,473,526.85
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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.