Finding the Fourth Proportional to 87,715,704.36, 121,048,629.48 and 48,558,135
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Solution
The fourth proportional to 87,715,704.36, 121,048,629.48 and 48,558,135 is: 67,010,756.34
Step by Step Solution
- Step 1: Write the proportion equation
87,715,704.36 : 121,048,629.48 = 48,558,135 : x - Step 2: Convert to fraction form
87,715,704.36/121,048,629.48 = 48,558,135/x - Step 3: Cross multiply
87,715,704.36x = 121,048,629.48 × 48,558,135 - Step 4: Simplify right side
87,715,704.36x = 5,877,895,691,854,820 - Step 5: Solve for x
x = 5,877,895,691,854,820/87,715,704.36 - Step 6: Final answer
x = 67,010,756.34
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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.