Finding the Fourth Proportional to 69,364,247.22, 95,721,408.45 and 38,424,320.82
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Solution
The fourth proportional to 69,364,247.22, 95,721,408.45 and 38,424,320.82 is: 53,024,868.79
Step by Step Solution
- Step 1: Write the proportion equation
69,364,247.22 : 95,721,408.45 = 38,424,320.82 : x - Step 2: Convert to fraction form
69,364,247.22/95,721,408.45 = 38,424,320.82/x - Step 3: Cross multiply
69,364,247.22x = 95,721,408.45 × 38,424,320.82 - Step 4: Simplify right side
69,364,247.22x = 3,678,030,107,625,059 - Step 5: Solve for x
x = 3,678,030,107,625,059/69,364,247.22 - Step 6: Final answer
x = 53,024,868.79
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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.