Finding the Fourth Proportional to 177,471,208.70, 265,758,915.45 and 141,639,400.70
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Solution
The fourth proportional to 177,471,208.70, 265,758,915.45 and 141,639,400.70 is: 212,101,634.91
Step by Step Solution
- Step 1: Write the proportion equation
177,471,208.70 : 265,758,915.45 = 141,639,400.70 : x - Step 2: Convert to fraction form
177,471,208.70/265,758,915.45 = 141,639,400.70/x - Step 3: Cross multiply
177,471,208.70x = 265,758,915.45 × 141,639,400.70 - Step 4: Simplify right side
177,471,208.70x = 37,641,933,515,019,968 - Step 5: Solve for x
x = 37,641,933,515,019,968/177,471,208.70 - Step 6: Final answer
x = 212,101,634.91
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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.