Finding the Fourth Proportional to 90,173,342.26, 124,439,453.49 and 48,920,234.64
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Solution
The fourth proportional to 90,173,342.26, 124,439,453.49 and 48,920,234.64 is: 67,510,054.64
Step by Step Solution
- Step 1: Write the proportion equation
90,173,342.26 : 124,439,453.49 = 48,920,234.64 : x - Step 2: Convert to fraction form
90,173,342.26/124,439,453.49 = 48,920,234.64/x - Step 3: Cross multiply
90,173,342.26x = 124,439,453.49 × 48,920,234.64 - Step 4: Simplify right side
90,173,342.26x = 6,087,607,263,204,167 - Step 5: Solve for x
x = 6,087,607,263,204,167/90,173,342.26 - Step 6: Final answer
x = 67,510,054.64
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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.