Finding the Fourth Proportional to 91,214,061.67, 125,873,849.37 and 49,397,787.19
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Solution
The fourth proportional to 91,214,061.67, 125,873,849.37 and 49,397,787.19 is: 68,168,103.80
Step by Step Solution
- Step 1: Write the proportion equation
91,214,061.67 : 125,873,849.37 = 49,397,787.19 : x - Step 2: Convert to fraction form
91,214,061.67/125,873,849.37 = 49,397,787.19/x - Step 3: Cross multiply
91,214,061.67x = 125,873,849.37 × 49,397,787.19 - Step 4: Simplify right side
91,214,061.67x = 6,217,889,623,965,376 - Step 5: Solve for x
x = 6,217,889,623,965,376/91,214,061.67 - Step 6: Final answer
x = 68,168,103.80
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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.