Finding the Fourth Proportional to 177,147,181.80, 265,720,772.70 and 91,053,739.80
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Solution
The fourth proportional to 177,147,181.80, 265,720,772.70 and 91,053,739.80 is: 136,580,609.70
Step by Step Solution
- Step 1: Write the proportion equation
177,147,181.80 : 265,720,772.70 = 91,053,739.80 : x - Step 2: Convert to fraction form
177,147,181.80/265,720,772.70 = 91,053,739.80/x - Step 3: Cross multiply
177,147,181.80x = 265,720,772.70 × 91,053,739.80 - Step 4: Simplify right side
177,147,181.80x = 24,194,870,096,880,740 - Step 5: Solve for x
x = 24,194,870,096,880,740/177,147,181.80 - Step 6: Final answer
x = 136,580,609.70
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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.