Finding the Fourth Proportional to 177,988,271.70, 266,982,407.55 and 165,517,122.90
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Solution
The fourth proportional to 177,988,271.70, 266,982,407.55 and 165,517,122.90 is: 248,275,684.35
Step by Step Solution
- Step 1: Write the proportion equation
177,988,271.70 : 266,982,407.55 = 165,517,122.90 : x - Step 2: Convert to fraction form
177,988,271.70/266,982,407.55 = 165,517,122.90/x - Step 3: Cross multiply
177,988,271.70x = 266,982,407.55 × 165,517,122.90 - Step 4: Simplify right side
177,988,271.70x = 44,190,159,962,591,240 - Step 5: Solve for x
x = 44,190,159,962,591,240/177,988,271.70 - Step 6: Final answer
x = 248,275,684.35
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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.