Finding the Fourth Proportional to 79,119,377.57, 109,183,295.97 and 43,837,053.99
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Solution
The fourth proportional to 79,119,377.57, 109,183,295.97 and 43,837,053.99 is: 60,494,333.85
Step by Step Solution
- Step 1: Write the proportion equation
79,119,377.57 : 109,183,295.97 = 43,837,053.99 : x - Step 2: Convert to fraction form
79,119,377.57/109,183,295.97 = 43,837,053.99/x - Step 3: Cross multiply
79,119,377.57x = 109,183,295.97 × 43,837,053.99 - Step 4: Simplify right side
79,119,377.57x = 4,786,274,040,243,040 - Step 5: Solve for x
x = 4,786,274,040,243,040/79,119,377.57 - Step 6: Final answer
x = 60,494,333.85
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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.