Finding the Fourth Proportional to 253,446,126.48, 380,329,120.56 and 107,879,454.24
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Solution
The fourth proportional to 253,446,126.48, 380,329,120.56 and 107,879,454.24 is: 161,887,255.99
Step by Step Solution
- Step 1: Write the proportion equation
253,446,126.48 : 380,329,120.56 = 107,879,454.24 : x - Step 2: Convert to fraction form
253,446,126.48/380,329,120.56 = 107,879,454.24/x - Step 3: Cross multiply
253,446,126.48x = 380,329,120.56 × 107,879,454.24 - Step 4: Simplify right side
253,446,126.48x = 41,029,697,957,591,960 - Step 5: Solve for x
x = 41,029,697,957,591,960/253,446,126.48 - Step 6: Final answer
x = 161,887,255.99
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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.