Finding the Fourth Proportional to 75,673,230.68, 104,429,057.29 and 40,865,920.09
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Solution
The fourth proportional to 75,673,230.68, 104,429,057.29 and 40,865,920.09 is: 56,394,969.15
Step by Step Solution
- Step 1: Write the proportion equation
75,673,230.68 : 104,429,057.29 = 40,865,920.09 : x - Step 2: Convert to fraction form
75,673,230.68/104,429,057.29 = 40,865,920.09/x - Step 3: Cross multiply
75,673,230.68x = 104,429,057.29 × 40,865,920.09 - Step 4: Simplify right side
75,673,230.68x = 4,267,589,509,923,934 - Step 5: Solve for x
x = 4,267,589,509,923,934/75,673,230.68 - Step 6: Final answer
x = 56,394,969.15
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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.