Finding the Fourth Proportional to 126,229,177.80, 189,343,766.70 and 58,204,729.80
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Solution
The fourth proportional to 126,229,177.80, 189,343,766.70 and 58,204,729.80 is: 87,307,094.70
Step by Step Solution
- Step 1: Write the proportion equation
126,229,177.80 : 189,343,766.70 = 58,204,729.80 : x - Step 2: Convert to fraction form
126,229,177.80/189,343,766.70 = 58,204,729.80/x - Step 3: Cross multiply
126,229,177.80x = 189,343,766.70 × 58,204,729.80 - Step 4: Simplify right side
126,229,177.80x = 11,020,702,780,087,736 - Step 5: Solve for x
x = 11,020,702,780,087,736/126,229,177.80 - Step 6: Final answer
x = 87,307,094.70
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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.