Finding the Fourth Proportional to 167,943,465.70, 251,915,198.55 and 165,791,129.65
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Solution
The fourth proportional to 167,943,465.70, 251,915,198.55 and 165,791,129.65 is: 248,686,694.48
Step by Step Solution
- Step 1: Write the proportion equation
167,943,465.70 : 251,915,198.55 = 165,791,129.65 : x - Step 2: Convert to fraction form
167,943,465.70/251,915,198.55 = 165,791,129.65/x - Step 3: Cross multiply
167,943,465.70x = 251,915,198.55 × 165,791,129.65 - Step 4: Simplify right side
167,943,465.70x = 41,765,305,343,608,544 - Step 5: Solve for x
x = 41,765,305,343,608,544/167,943,465.70 - Step 6: Final answer
x = 248,686,694.48
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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.