Finding the Fourth Proportional to 86,586,963.48, 119,456,750.16 and 49,419,306.72
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Solution
The fourth proportional to 86,586,963.48, 119,456,750.16 and 49,419,306.72 is: 68,179,660.52
Step by Step Solution
- Step 1: Write the proportion equation
86,586,963.48 : 119,456,750.16 = 49,419,306.72 : x - Step 2: Convert to fraction form
86,586,963.48/119,456,750.16 = 49,419,306.72/x - Step 3: Cross multiply
86,586,963.48x = 119,456,750.16 × 49,419,306.72 - Step 4: Simplify right side
86,586,963.48x = 5,903,469,775,931,449 - Step 5: Solve for x
x = 5,903,469,775,931,449/86,586,963.48 - Step 6: Final answer
x = 68,179,660.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.