Finding the Fourth Proportional to 177,129,610.40, 265,694,415.60 and 108,750,576.80
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Solution
The fourth proportional to 177,129,610.40, 265,694,415.60 and 108,750,576.80 is: 163,125,865.20
Step by Step Solution
- Step 1: Write the proportion equation
177,129,610.40 : 265,694,415.60 = 108,750,576.80 : x - Step 2: Convert to fraction form
177,129,610.40/265,694,415.60 = 108,750,576.80/x - Step 3: Cross multiply
177,129,610.40x = 265,694,415.60 × 108,750,576.80 - Step 4: Simplify right side
177,129,610.40x = 28,894,420,949,038,916 - Step 5: Solve for x
x = 28,894,420,949,038,916/177,129,610.40 - Step 6: Final answer
x = 163,125,865.20
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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.