Finding the Fourth Proportional to 61,207,408.30, 91,811,112.45 and 53,235,793.30
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Solution
The fourth proportional to 61,207,408.30, 91,811,112.45 and 53,235,793.30 is: 79,853,689.95
Step by Step Solution
- Step 1: Write the proportion equation
61,207,408.30 : 91,811,112.45 = 53,235,793.30 : x - Step 2: Convert to fraction form
61,207,408.30/91,811,112.45 = 53,235,793.30/x - Step 3: Cross multiply
61,207,408.30x = 91,811,112.45 × 53,235,793.30 - Step 4: Simplify right side
61,207,408.30x = 4,887,637,405,031,256 - Step 5: Solve for x
x = 4,887,637,405,031,256/61,207,408.30 - Step 6: Final answer
x = 79,853,689.95
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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.