Finding the Fourth Proportional to 74,616,074.68, 102,970,396.26 and 43,260,217.24
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Solution
The fourth proportional to 74,616,074.68, 102,970,396.26 and 43,260,217.24 is: 59,699,223.40
Step by Step Solution
- Step 1: Write the proportion equation
74,616,074.68 : 102,970,396.26 = 43,260,217.24 : x - Step 2: Convert to fraction form
74,616,074.68/102,970,396.26 = 43,260,217.24/x - Step 3: Cross multiply
74,616,074.68x = 102,970,396.26 × 43,260,217.24 - Step 4: Simplify right side
74,616,074.68x = 4,454,521,711,496,484 - Step 5: Solve for x
x = 4,454,521,711,496,484/74,616,074.68 - Step 6: Final answer
x = 59,699,223.40
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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.