Finding the Fourth Proportional to 362,437,478.99, 543,433,725.42 and 140,850,087.99
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Solution
The fourth proportional to 362,437,478.99, 543,433,725.42 and 140,850,087.99 is: 211,188,666.95
Step by Step Solution
- Step 1: Write the proportion equation
362,437,478.99 : 543,433,725.42 = 140,850,087.99 : x - Step 2: Convert to fraction form
362,437,478.99/543,433,725.42 = 140,850,087.99/x - Step 3: Cross multiply
362,437,478.99x = 543,433,725.42 × 140,850,087.99 - Step 4: Simplify right side
362,437,478.99x = 76,542,688,039,423,328 - Step 5: Solve for x
x = 76,542,688,039,423,328/362,437,478.99 - Step 6: Final answer
x = 211,188,666.95
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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.