Finding the Fourth Proportional to 68,158,311.67, 102,161,738.98 and 51,930,764.38
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Solution
The fourth proportional to 68,158,311.67, 102,161,738.98 and 51,930,764.38 is: 77,838,447.95
Step by Step Solution
- Step 1: Write the proportion equation
68,158,311.67 : 102,161,738.98 = 51,930,764.38 : x - Step 2: Convert to fraction form
68,158,311.67/102,161,738.98 = 51,930,764.38/x - Step 3: Cross multiply
68,158,311.67x = 102,161,738.98 × 51,930,764.38 - Step 4: Simplify right side
68,158,311.67x = 5,305,337,195,621,442 - Step 5: Solve for x
x = 5,305,337,195,621,442/68,158,311.67 - Step 6: Final answer
x = 77,838,447.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.