Finding the Fourth Proportional to 52,012,722.54, 71,778,716.37 and 29,685,260.36
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Solution
The fourth proportional to 52,012,722.54, 71,778,716.37 and 29,685,260.36 is: 40,966,320.92
Step by Step Solution
- Step 1: Write the proportion equation
52,012,722.54 : 71,778,716.37 = 29,685,260.36 : x - Step 2: Convert to fraction form
52,012,722.54/71,778,716.37 = 29,685,260.36/x - Step 3: Cross multiply
52,012,722.54x = 71,778,716.37 × 29,685,260.36 - Step 4: Simplify right side
52,012,722.54x = 2,130,769,883,750,044.25 - Step 5: Solve for x
x = 2,130,769,883,750,044.25/52,012,722.54 - Step 6: Final answer
x = 40,966,320.92
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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.