Finding the Fourth Proportional to 177,360,138.20, 266,040,207.30 and 116,844,195.80
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Solution
The fourth proportional to 177,360,138.20, 266,040,207.30 and 116,844,195.80 is: 175,266,293.70
Step by Step Solution
- Step 1: Write the proportion equation
177,360,138.20 : 266,040,207.30 = 116,844,195.80 : x - Step 2: Convert to fraction form
177,360,138.20/266,040,207.30 = 116,844,195.80/x - Step 3: Cross multiply
177,360,138.20x = 266,040,207.30 × 116,844,195.80 - Step 4: Simplify right side
177,360,138.20x = 31,085,254,072,433,788 - Step 5: Solve for x
x = 31,085,254,072,433,788/177,360,138.20 - Step 6: Final answer
x = 175,266,293.70
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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.