Finding the Fourth Proportional to 251,502,865.42, 377,310,563.95 and 76,639,584.92
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Solution
The fourth proportional to 251,502,865.42, 377,310,563.95 and 76,639,584.92 is: 114,976,523.07
Step by Step Solution
- Step 1: Write the proportion equation
251,502,865.42 : 377,310,563.95 = 76,639,584.92 : x - Step 2: Convert to fraction form
251,502,865.42/377,310,563.95 = 76,639,584.92/x - Step 3: Cross multiply
251,502,865.42x = 377,310,563.95 × 76,639,584.92 - Step 4: Simplify right side
251,502,865.42x = 28,916,925,007,059,116 - Step 5: Solve for x
x = 28,916,925,007,059,116/251,502,865.42 - Step 6: Final answer
x = 114,976,523.07
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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.