Finding the Fourth Proportional to 154,611,691.68, 231,747,472.08 and 63,685,679.52
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Solution
The fourth proportional to 154,611,691.68, 231,747,472.08 and 63,685,679.52 is: 95,458,468.09
Step by Step Solution
- Step 1: Write the proportion equation
154,611,691.68 : 231,747,472.08 = 63,685,679.52 : x - Step 2: Convert to fraction form
154,611,691.68/231,747,472.08 = 63,685,679.52/x - Step 3: Cross multiply
154,611,691.68x = 231,747,472.08 × 63,685,679.52 - Step 4: Simplify right side
154,611,691.68x = 14,758,995,236,457,030 - Step 5: Solve for x
x = 14,758,995,236,457,030/154,611,691.68 - Step 6: Final answer
x = 95,458,468.09
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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.