Finding the Fourth Proportional to 43,446,764.70, 65,170,147.05 and 28,330,220.70
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Solution
The fourth proportional to 43,446,764.70, 65,170,147.05 and 28,330,220.70 is: 42,495,331.05
Step by Step Solution
- Step 1: Write the proportion equation
43,446,764.70 : 65,170,147.05 = 28,330,220.70 : x - Step 2: Convert to fraction form
43,446,764.70/65,170,147.05 = 28,330,220.70/x - Step 3: Cross multiply
43,446,764.70x = 65,170,147.05 × 28,330,220.70 - Step 4: Simplify right side
43,446,764.70x = 1,846,284,648,977,953.75 - Step 5: Solve for x
x = 1,846,284,648,977,953.75/43,446,764.70 - Step 6: Final answer
x = 42,495,331.05
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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.