Finding the Fourth Proportional to 283,480,326.10, 391,202,761.08 and 153,100,134.10
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Solution
The fourth proportional to 283,480,326.10, 391,202,761.08 and 153,100,134.10 is: 211,278,137.02
Step by Step Solution
- Step 1: Write the proportion equation
283,480,326.10 : 391,202,761.08 = 153,100,134.10 : x - Step 2: Convert to fraction form
283,480,326.10/391,202,761.08 = 153,100,134.10/x - Step 3: Cross multiply
283,480,326.10x = 391,202,761.08 × 153,100,134.10 - Step 4: Simplify right side
283,480,326.10x = 59,893,195,181,638,256 - Step 5: Solve for x
x = 59,893,195,181,638,256/283,480,326.10 - Step 6: Final answer
x = 211,278,137.02
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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.