Finding the Fourth Proportional to 73,382,718.06, 101,268,216.05 and 40,343,529.54
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Solution
The fourth proportional to 73,382,718.06, 101,268,216.05 and 40,343,529.54 is: 55,674,106.57
Step by Step Solution
- Step 1: Write the proportion equation
73,382,718.06 : 101,268,216.05 = 40,343,529.54 : x - Step 2: Convert to fraction form
73,382,718.06/101,268,216.05 = 40,343,529.54/x - Step 3: Cross multiply
73,382,718.06x = 101,268,216.05 × 40,343,529.54 - Step 4: Simplify right side
73,382,718.06x = 4,085,517,265,676,277 - Step 5: Solve for x
x = 4,085,517,265,676,277/73,382,718.06 - Step 6: Final answer
x = 55,674,106.57
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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.