Finding the Fourth Proportional to 151,113,638.70, 226,292,544.45 and 120,880,550.70
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Solution
The fourth proportional to 151,113,638.70, 226,292,544.45 and 120,880,550.70 is: 181,018,521.08
Step by Step Solution
- Step 1: Write the proportion equation
151,113,638.70 : 226,292,544.45 = 120,880,550.70 : x - Step 2: Convert to fraction form
151,113,638.70/226,292,544.45 = 120,880,550.70/x - Step 3: Cross multiply
151,113,638.70x = 226,292,544.45 × 120,880,550.70 - Step 4: Simplify right side
151,113,638.70x = 27,354,367,392,420,228 - Step 5: Solve for x
x = 27,354,367,392,420,228/151,113,638.70 - Step 6: Final answer
x = 181,018,521.08
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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.