Finding the Fourth Proportional to 198,801,251.40, 298,201,877.10 and 53,257,276.20
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Solution
The fourth proportional to 198,801,251.40, 298,201,877.10 and 53,257,276.20 is: 79,885,914.30
Step by Step Solution
- Step 1: Write the proportion equation
198,801,251.40 : 298,201,877.10 = 53,257,276.20 : x - Step 2: Convert to fraction form
198,801,251.40/298,201,877.10 = 53,257,276.20/x - Step 3: Cross multiply
198,801,251.40x = 298,201,877.10 × 53,257,276.20 - Step 4: Simplify right side
198,801,251.40x = 15,881,419,732,073,158 - Step 5: Solve for x
x = 15,881,419,732,073,158/198,801,251.40 - Step 6: Final answer
x = 79,885,914.30
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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.