Finding the Fourth Proportional to 190,053,012.12, 262,273,156.74 and 103,132,884.12
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Solution
The fourth proportional to 190,053,012.12, 262,273,156.74 and 103,132,884.12 is: 142,323,380.09
Step by Step Solution
- Step 1: Write the proportion equation
190,053,012.12 : 262,273,156.74 = 103,132,884.12 : x - Step 2: Convert to fraction form
190,053,012.12/262,273,156.74 = 103,132,884.12/x - Step 3: Cross multiply
190,053,012.12x = 262,273,156.74 × 103,132,884.12 - Step 4: Simplify right side
190,053,012.12x = 27,048,987,081,853,020 - Step 5: Solve for x
x = 27,048,987,081,853,020/190,053,012.12 - Step 6: Final answer
x = 142,323,380.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.