Finding the Fourth Proportional to 91,516,658.44, 126,240,269.70 and 54,825,971.80
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Solution
The fourth proportional to 91,516,658.44, 126,240,269.70 and 54,825,971.80 is: 75,628,258.12
Step by Step Solution
- Step 1: Write the proportion equation
91,516,658.44 : 126,240,269.70 = 54,825,971.80 : x - Step 2: Convert to fraction form
91,516,658.44/126,240,269.70 = 54,825,971.80/x - Step 3: Cross multiply
91,516,658.44x = 126,240,269.70 × 54,825,971.80 - Step 4: Simplify right side
91,516,658.44x = 6,921,245,466,596,594 - Step 5: Solve for x
x = 6,921,245,466,596,594/91,516,658.44 - Step 6: Final answer
x = 75,628,258.12
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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.