Finding the Fourth Proportional to 218,539,135.36, 301,584,806.85 and 119,419,894.63
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Solution
The fourth proportional to 218,539,135.36, 301,584,806.85 and 119,419,894.63 is: 164,799,891.78
Step by Step Solution
- Step 1: Write the proportion equation
218,539,135.36 : 301,584,806.85 = 119,419,894.63 : x - Step 2: Convert to fraction form
218,539,135.36/301,584,806.85 = 119,419,894.63/x - Step 3: Cross multiply
218,539,135.36x = 301,584,806.85 × 119,419,894.63 - Step 4: Simplify right side
218,539,135.36x = 36,015,225,856,035,904 - Step 5: Solve for x
x = 36,015,225,856,035,904/218,539,135.36 - Step 6: Final answer
x = 164,799,891.78
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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.