Finding the Fourth Proportional to 365,292,380.84, 547,883,207.89 and 99,418,811.12
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Solution
The fourth proportional to 365,292,380.84, 547,883,207.89 and 99,418,811.12 is: 149,113,148.86
Step by Step Solution
- Step 1: Write the proportion equation
365,292,380.84 : 547,883,207.89 = 99,418,811.12 : x - Step 2: Convert to fraction form
365,292,380.84/547,883,207.89 = 99,418,811.12/x - Step 3: Cross multiply
365,292,380.84x = 547,883,207.89 × 99,418,811.12 - Step 4: Simplify right side
365,292,380.84x = 54,469,897,161,035,608 - Step 5: Solve for x
x = 54,469,897,161,035,608/365,292,380.84 - Step 6: Final answer
x = 149,113,148.86
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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.