Finding the Fourth Proportional to 69,330,104.42, 95,674,372.29 and 38,389,609.40
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Solution
The fourth proportional to 69,330,104.42, 95,674,372.29 and 38,389,609.40 is: 52,977,012.11
Step by Step Solution
- Step 1: Write the proportion equation
69,330,104.42 : 95,674,372.29 = 38,389,609.40 : x - Step 2: Convert to fraction form
69,330,104.42/95,674,372.29 = 38,389,609.40/x - Step 3: Cross multiply
69,330,104.42x = 95,674,372.29 × 38,389,609.40 - Step 4: Simplify right side
69,330,104.42x = 3,672,901,781,324,912 - Step 5: Solve for x
x = 3,672,901,781,324,912/69,330,104.42 - Step 6: Final answer
x = 52,977,012.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.