Finding the Fourth Proportional to 178,992,546.12, 268,529,214.69 and 54,506,311.02
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Solution
The fourth proportional to 178,992,546.12, 268,529,214.69 and 54,506,311.02 is: 81,771,767.66
Step by Step Solution
- Step 1: Write the proportion equation
178,992,546.12 : 268,529,214.69 = 54,506,311.02 : x - Step 2: Convert to fraction form
178,992,546.12/268,529,214.69 = 54,506,311.02/x - Step 3: Cross multiply
178,992,546.12x = 268,529,214.69 × 54,506,311.02 - Step 4: Simplify right side
178,992,546.12x = 14,636,536,893,849,494 - Step 5: Solve for x
x = 14,636,536,893,849,494/178,992,546.12 - Step 6: Final answer
x = 81,771,767.66
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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.