Finding the Fourth Proportional to 68,405,458.97, 94,399,624.38 and 37,043,562.02
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Solution
The fourth proportional to 68,405,458.97, 94,399,624.38 and 37,043,562.02 is: 51,120,164.86
Step by Step Solution
- Step 1: Write the proportion equation
68,405,458.97 : 94,399,624.38 = 37,043,562.02 : x - Step 2: Convert to fraction form
68,405,458.97/94,399,624.38 = 37,043,562.02/x - Step 3: Cross multiply
68,405,458.97x = 94,399,624.38 × 37,043,562.02 - Step 4: Simplify right side
68,405,458.97x = 3,496,898,339,913,236 - Step 5: Solve for x
x = 3,496,898,339,913,236/68,405,458.97 - Step 6: Final answer
x = 51,120,164.86
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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.