Finding the Fourth Proportional to 49,348,947.71, 68,106,117.65 and 27,322,447.47
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Solution
The fourth proportional to 49,348,947.71, 68,106,117.65 and 27,322,447.47 is: 37,707,507.62
Step by Step Solution
- Step 1: Write the proportion equation
49,348,947.71 : 68,106,117.65 = 27,322,447.47 : x - Step 2: Convert to fraction form
49,348,947.71/68,106,117.65 = 27,322,447.47/x - Step 3: Cross multiply
49,348,947.71x = 68,106,117.65 × 27,322,447.47 - Step 4: Simplify right side
49,348,947.71x = 1,860,825,821,741,152.50 - Step 5: Solve for x
x = 1,860,825,821,741,152.50/49,348,947.71 - Step 6: Final answer
x = 37,707,507.62
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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.