Finding the Fourth Proportional to 199,330,229.20, 298,995,343.80 and 145,582,517.20
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Solution
The fourth proportional to 199,330,229.20, 298,995,343.80 and 145,582,517.20 is: 218,373,775.80
Step by Step Solution
- Step 1: Write the proportion equation
199,330,229.20 : 298,995,343.80 = 145,582,517.20 : x - Step 2: Convert to fraction form
199,330,229.20/298,995,343.80 = 145,582,517.20/x - Step 3: Cross multiply
199,330,229.20x = 298,995,343.80 × 145,582,517.20 - Step 4: Simplify right side
199,330,229.20x = 43,528,494,781,483,408 - Step 5: Solve for x
x = 43,528,494,781,483,408/199,330,229.20 - Step 6: Final answer
x = 218,373,775.80
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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.