Finding the Fourth Proportional to 228,770,854.40, 343,201,946.15 and 119,645,153.12
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Solution
The fourth proportional to 228,770,854.40, 343,201,946.15 and 119,645,153.12 is: 179,491,611.84
Step by Step Solution
- Step 1: Write the proportion equation
228,770,854.40 : 343,201,946.15 = 119,645,153.12 : x - Step 2: Convert to fraction form
228,770,854.40/343,201,946.15 = 119,645,153.12/x - Step 3: Cross multiply
228,770,854.40x = 343,201,946.15 × 119,645,153.12 - Step 4: Simplify right side
228,770,854.40x = 41,062,449,399,355,856 - Step 5: Solve for x
x = 41,062,449,399,355,856/228,770,854.40 - Step 6: Final answer
x = 179,491,611.84
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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.