Finding the Fourth Proportional to 103,769,765.26, 155,654,943.37 and 29,999,550.63
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Solution
The fourth proportional to 103,769,765.26, 155,654,943.37 and 29,999,550.63 is: 44,999,411.36
Step by Step Solution
- Step 1: Write the proportion equation
103,769,765.26 : 155,654,943.37 = 29,999,550.63 : x - Step 2: Convert to fraction form
103,769,765.26/155,654,943.37 = 29,999,550.63/x - Step 3: Cross multiply
103,769,765.26x = 155,654,943.37 × 29,999,550.63 - Step 4: Simplify right side
103,769,765.26x = 4,669,578,353,659,823 - Step 5: Solve for x
x = 4,669,578,353,659,823/103,769,765.26 - Step 6: Final answer
x = 44,999,411.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.