Finding the Fourth Proportional to 61,138,704.64, 91,723,038.72 and 50,227,343.68
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Solution
The fourth proportional to 61,138,704.64, 91,723,038.72 and 50,227,343.68 is: 75,353,323.50
Step by Step Solution
- Step 1: Write the proportion equation
61,138,704.64 : 91,723,038.72 = 50,227,343.68 : x - Step 2: Convert to fraction form
61,138,704.64/91,723,038.72 = 50,227,343.68/x - Step 3: Cross multiply
61,138,704.64x = 91,723,038.72 × 50,227,343.68 - Step 4: Simplify right side
61,138,704.64x = 4,607,004,589,163,387 - Step 5: Solve for x
x = 4,607,004,589,163,387/61,138,704.64 - Step 6: Final answer
x = 75,353,323.50
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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.