Finding the Fourth Proportional to 264,205,657.80, 396,308,486.70 and 91,625,113.80
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Solution
The fourth proportional to 264,205,657.80, 396,308,486.70 and 91,625,113.80 is: 137,437,670.70
Step by Step Solution
- Step 1: Write the proportion equation
264,205,657.80 : 396,308,486.70 = 91,625,113.80 : x - Step 2: Convert to fraction form
264,205,657.80/396,308,486.70 = 91,625,113.80/x - Step 3: Cross multiply
264,205,657.80x = 396,308,486.70 × 91,625,113.80 - Step 4: Simplify right side
264,205,657.80x = 36,311,810,193,793,288 - Step 5: Solve for x
x = 36,311,810,193,793,288/264,205,657.80 - Step 6: Final answer
x = 137,437,670.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.