Finding the Fourth Proportional to 242,638,223.70, 363,957,335.55 and 106,589,327.70
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Solution
The fourth proportional to 242,638,223.70, 363,957,335.55 and 106,589,327.70 is: 159,883,991.55
Step by Step Solution
- Step 1: Write the proportion equation
242,638,223.70 : 363,957,335.55 = 106,589,327.70 : x - Step 2: Convert to fraction form
242,638,223.70/363,957,335.55 = 106,589,327.70/x - Step 3: Cross multiply
242,638,223.70x = 363,957,335.55 × 106,589,327.70 - Step 4: Simplify right side
242,638,223.70x = 38,793,967,707,757,816 - Step 5: Solve for x
x = 38,793,967,707,757,816/242,638,223.70 - Step 6: Final answer
x = 159,883,991.55
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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.