Finding the Fourth Proportional to 51,053,391.25, 70,454,129.57 and 27,848,621.41
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Solution
The fourth proportional to 51,053,391.25, 70,454,129.57 and 27,848,621.41 is: 38,431,342.82
Step by Step Solution
- Step 1: Write the proportion equation
51,053,391.25 : 70,454,129.57 = 27,848,621.41 : x - Step 2: Convert to fraction form
51,053,391.25/70,454,129.57 = 27,848,621.41/x - Step 3: Cross multiply
51,053,391.25x = 70,454,129.57 × 27,848,621.41 - Step 4: Simplify right side
51,053,391.25x = 1,962,050,380,955,069.75 - Step 5: Solve for x
x = 1,962,050,380,955,069.75/51,053,391.25 - Step 6: Final answer
x = 38,431,342.82
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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.