Finding the Fourth Proportional to 74,890,922.82, 103,349,613.53 and 41,851,171.99
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Solution
The fourth proportional to 74,890,922.82, 103,349,613.53 and 41,851,171.99 is: 57,754,695.60
Step by Step Solution
- Step 1: Write the proportion equation
74,890,922.82 : 103,349,613.53 = 41,851,171.99 : x - Step 2: Convert to fraction form
74,890,922.82/103,349,613.53 = 41,851,171.99/x - Step 3: Cross multiply
74,890,922.82x = 103,349,613.53 × 41,851,171.99 - Step 4: Simplify right side
74,890,922.82x = 4,325,302,450,944,061.50 - Step 5: Solve for x
x = 4,325,302,450,944,061.50/74,890,922.82 - Step 6: Final answer
x = 57,754,695.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.