Finding the Fourth Proportional to 215,235,497.03, 297,034,405.16 and 121,155,714.23
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Solution
The fourth proportional to 215,235,497.03, 297,034,405.16 and 121,155,714.23 is: 167,200,187.72
Step by Step Solution
- Step 1: Write the proportion equation
215,235,497.03 : 297,034,405.16 = 121,155,714.23 : x - Step 2: Convert to fraction form
215,235,497.03/297,034,405.16 = 121,155,714.23/x - Step 3: Cross multiply
215,235,497.03x = 297,034,405.16 × 121,155,714.23 - Step 4: Simplify right side
215,235,497.03x = 35,987,415,505,952,040 - Step 5: Solve for x
x = 35,987,415,505,952,040/215,235,497.03 - Step 6: Final answer
x = 167,200,187.72
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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.