Finding the Fourth Proportional to 91,230,120.88, 125,896,563.48 and 49,413,145.84
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Solution
The fourth proportional to 91,230,120.88, 125,896,563.48 and 49,413,145.84 is: 68,189,597.82
Step by Step Solution
- Step 1: Write the proportion equation
91,230,120.88 : 125,896,563.48 = 49,413,145.84 : x - Step 2: Convert to fraction form
91,230,120.88/125,896,563.48 = 49,413,145.84/x - Step 3: Cross multiply
91,230,120.88x = 125,896,563.48 × 49,413,145.84 - Step 4: Simplify right side
91,230,120.88x = 6,220,945,251,992,059 - Step 5: Solve for x
x = 6,220,945,251,992,059/91,230,120.88 - Step 6: Final answer
x = 68,189,597.82
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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.