Finding the Fourth Proportional to 177,147,207.70, 265,720,811.55 and 91,053,765.70
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Solution
The fourth proportional to 177,147,207.70, 265,720,811.55 and 91,053,765.70 is: 136,580,648.55
Step by Step Solution
- Step 1: Write the proportion equation
177,147,207.70 : 265,720,811.55 = 91,053,765.70 : x - Step 2: Convert to fraction form
177,147,207.70/265,720,811.55 = 91,053,765.70/x - Step 3: Cross multiply
177,147,207.70x = 265,720,811.55 × 91,053,765.70 - Step 4: Simplify right side
177,147,207.70x = 24,194,880,516,487,556 - Step 5: Solve for x
x = 24,194,880,516,487,556/177,147,207.70 - Step 6: Final answer
x = 136,580,648.55
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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.