Finding the Fourth Proportional to 177,163,372.80, 265,745,059.20 and 159,306,955.20
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Solution
The fourth proportional to 177,163,372.80, 265,745,059.20 and 159,306,955.20 is: 238,960,432.80
Step by Step Solution
- Step 1: Write the proportion equation
177,163,372.80 : 265,745,059.20 = 159,306,955.20 : x - Step 2: Convert to fraction form
177,163,372.80/265,745,059.20 = 159,306,955.20/x - Step 3: Cross multiply
177,163,372.80x = 265,745,059.20 × 159,306,955.20 - Step 4: Simplify right side
177,163,372.80x = 42,335,036,240,595,744 - Step 5: Solve for x
x = 42,335,036,240,595,744/177,163,372.80 - Step 6: Final answer
x = 238,960,432.80
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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.