Finding the Fourth Proportional to 86,219,116.20, 129,378,440.70 and 32,371,871.40
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Solution
The fourth proportional to 86,219,116.20, 129,378,440.70 and 32,371,871.40 is: 48,576,492.42
Step by Step Solution
- Step 1: Write the proportion equation
86,219,116.20 : 129,378,440.70 = 32,371,871.40 : x - Step 2: Convert to fraction form
86,219,116.20/129,378,440.70 = 32,371,871.40/x - Step 3: Cross multiply
86,219,116.20x = 129,378,440.70 × 32,371,871.40 - Step 4: Simplify right side
86,219,116.20x = 4,188,222,244,272,926 - Step 5: Solve for x
x = 4,188,222,244,272,926/86,219,116.20 - Step 6: Final answer
x = 48,576,492.42
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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.