Finding the Fourth Proportional to 177,147,528.20, 265,721,292.30 and 160,991,721.80
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Solution
The fourth proportional to 177,147,528.20, 265,721,292.30 and 160,991,721.80 is: 241,487,582.70
Step by Step Solution
- Step 1: Write the proportion equation
177,147,528.20 : 265,721,292.30 = 160,991,721.80 : x - Step 2: Convert to fraction form
177,147,528.20/265,721,292.30 = 160,991,721.80/x - Step 3: Cross multiply
177,147,528.20x = 265,721,292.30 × 160,991,721.80 - Step 4: Simplify right side
177,147,528.20x = 42,778,928,366,298,088 - Step 5: Solve for x
x = 42,778,928,366,298,088/177,147,528.20 - Step 6: Final answer
x = 241,487,582.70
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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.