Finding the Fourth Proportional to 87,296,633.36, 120,466,717.80 and 48,138,390.80
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Solution
The fourth proportional to 87,296,633.36, 120,466,717.80 and 48,138,390.80 is: 66,429,525.59
Step by Step Solution
- Step 1: Write the proportion equation
87,296,633.36 : 120,466,717.80 = 48,138,390.80 : x - Step 2: Convert to fraction form
87,296,633.36/120,466,717.80 = 48,138,390.80/x - Step 3: Cross multiply
87,296,633.36x = 120,466,717.80 × 48,138,390.80 - Step 4: Simplify right side
87,296,633.36x = 5,799,073,939,849,716 - Step 5: Solve for x
x = 5,799,073,939,849,716/87,296,633.36 - Step 6: Final answer
x = 66,429,525.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.