Finding the Fourth Proportional to 87,926,405.44, 121,198,240.56 and 69,311,188.48
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Solution
The fourth proportional to 87,926,405.44, 121,198,240.56 and 69,311,188.48 is: 95,538,923.18
Step by Step Solution
- Step 1: Write the proportion equation
87,926,405.44 : 121,198,240.56 = 69,311,188.48 : x - Step 2: Convert to fraction form
87,926,405.44/121,198,240.56 = 69,311,188.48/x - Step 3: Cross multiply
87,926,405.44x = 121,198,240.56 × 69,311,188.48 - Step 4: Simplify right side
87,926,405.44x = 8,400,394,094,898,541 - Step 5: Solve for x
x = 8,400,394,094,898,541/87,926,405.44 - Step 6: Final answer
x = 95,538,923.18
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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.