Finding the Fourth Proportional to 49,817,280.06, 68,747,655.60 and 27,790,761.96
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Solution
The fourth proportional to 49,817,280.06, 68,747,655.60 and 27,790,761.96 is: 38,351,145.02
Step by Step Solution
- Step 1: Write the proportion equation
49,817,280.06 : 68,747,655.60 = 27,790,761.96 : x - Step 2: Convert to fraction form
49,817,280.06/68,747,655.60 = 27,790,761.96/x - Step 3: Cross multiply
49,817,280.06x = 68,747,655.60 × 27,790,761.96 - Step 4: Simplify right side
49,817,280.06x = 1,910,549,732,087,660.75 - Step 5: Solve for x
x = 1,910,549,732,087,660.75/49,817,280.06 - Step 6: Final answer
x = 38,351,145.02
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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.