Finding the Fourth Proportional to 178,857,625.20, 268,286,437.80 and 97,015,711.20
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Solution
The fourth proportional to 178,857,625.20, 268,286,437.80 and 97,015,711.20 is: 145,523,566.80
Step by Step Solution
- Step 1: Write the proportion equation
178,857,625.20 : 268,286,437.80 = 97,015,711.20 : x - Step 2: Convert to fraction form
178,857,625.20/268,286,437.80 = 97,015,711.20/x - Step 3: Cross multiply
178,857,625.20x = 268,286,437.80 × 97,015,711.20 - Step 4: Simplify right side
178,857,625.20x = 26,027,999,568,481,564 - Step 5: Solve for x
x = 26,027,999,568,481,564/178,857,625.20 - Step 6: Final answer
x = 145,523,566.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.