Finding the Fourth Proportional to 231,603,672.68, 347,416,682.14 and 76,154,039.08
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Solution
The fourth proportional to 231,603,672.68, 347,416,682.14 and 76,154,039.08 is: 114,234,732.47
Step by Step Solution
- Step 1: Write the proportion equation
231,603,672.68 : 347,416,682.14 = 76,154,039.08 : x - Step 2: Convert to fraction form
231,603,672.68/347,416,682.14 = 76,154,039.08/x - Step 3: Cross multiply
231,603,672.68x = 347,416,682.14 × 76,154,039.08 - Step 4: Simplify right side
231,603,672.68x = 26,457,183,588,733,496 - Step 5: Solve for x
x = 26,457,183,588,733,496/231,603,672.68 - Step 6: Final answer
x = 114,234,732.47
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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.