Finding the Fourth Proportional to 149,715,859.84, 206,596,355.20 and 84,532,197.76
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Solution
The fourth proportional to 149,715,859.84, 206,596,355.20 and 84,532,197.76 is: 116,647,922.09
Step by Step Solution
- Step 1: Write the proportion equation
149,715,859.84 : 206,596,355.20 = 84,532,197.76 : x - Step 2: Convert to fraction form
149,715,859.84/206,596,355.20 = 84,532,197.76/x - Step 3: Cross multiply
149,715,859.84x = 206,596,355.20 × 84,532,197.76 - Step 4: Simplify right side
149,715,859.84x = 17,464,043,954,261,604 - Step 5: Solve for x
x = 17,464,043,954,261,604/149,715,859.84 - Step 6: Final answer
x = 116,647,922.09
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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.