Finding the Fourth Proportional to 74,948,329.82, 103,420,732.51 and 41,452,486.19
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Solution
The fourth proportional to 74,948,329.82, 103,420,732.51 and 41,452,486.19 is: 57,200,026.95
Step by Step Solution
- Step 1: Write the proportion equation
74,948,329.82 : 103,420,732.51 = 41,452,486.19 : x - Step 2: Convert to fraction form
74,948,329.82/103,420,732.51 = 41,452,486.19/x - Step 3: Cross multiply
74,948,329.82x = 103,420,732.51 × 41,452,486.19 - Step 4: Simplify right side
74,948,329.82x = 4,287,046,485,509,724 - Step 5: Solve for x
x = 4,287,046,485,509,724/74,948,329.82 - Step 6: Final answer
x = 57,200,026.95
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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.