Finding the Fourth Proportional to 76,745,950.12, 105,920,213.70 and 48,859,752.52
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Solution
The fourth proportional to 76,745,950.12, 105,920,213.70 and 48,859,752.52 is: 67,433,335.83
Step by Step Solution
- Step 1: Write the proportion equation
76,745,950.12 : 105,920,213.70 = 48,859,752.52 : x - Step 2: Convert to fraction form
76,745,950.12/105,920,213.70 = 48,859,752.52/x - Step 3: Cross multiply
76,745,950.12x = 105,920,213.70 × 48,859,752.52 - Step 4: Simplify right side
76,745,950.12x = 5,175,235,428,247,514 - Step 5: Solve for x
x = 5,175,235,428,247,514/76,745,950.12 - Step 6: Final answer
x = 67,433,335.83
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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.