Finding the Fourth Proportional to 91,071,253.14, 125,679,326.48 and 49,818,145.92
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Solution
The fourth proportional to 91,071,253.14, 125,679,326.48 and 49,818,145.92 is: 68,749,586.83
Step by Step Solution
- Step 1: Write the proportion equation
91,071,253.14 : 125,679,326.48 = 49,818,145.92 : x - Step 2: Convert to fraction form
91,071,253.14/125,679,326.48 = 49,818,145.92/x - Step 3: Cross multiply
91,071,253.14x = 125,679,326.48 × 49,818,145.92 - Step 4: Simplify right side
91,071,253.14x = 6,261,111,025,707,960 - Step 5: Solve for x
x = 6,261,111,025,707,960/91,071,253.14 - Step 6: Final answer
x = 68,749,586.83
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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.