Finding the Fourth Proportional to 363,832,027.20, 545,748,040.80 and 145,374,346.80
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Solution
The fourth proportional to 363,832,027.20, 545,748,040.80 and 145,374,346.80 is: 218,061,520.20
Step by Step Solution
- Step 1: Write the proportion equation
363,832,027.20 : 545,748,040.80 = 145,374,346.80 : x - Step 2: Convert to fraction form
363,832,027.20/545,748,040.80 = 145,374,346.80/x - Step 3: Cross multiply
363,832,027.20x = 545,748,040.80 × 145,374,346.80 - Step 4: Simplify right side
363,832,027.20x = 79,337,764,948,679,744 - Step 5: Solve for x
x = 79,337,764,948,679,744/363,832,027.20 - Step 6: Final answer
x = 218,061,520.20
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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.