Finding the Fourth Proportional to 194,808,861.99, 268,826,639.98 and 106,703,251.50
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Solution
The fourth proportional to 194,808,861.99, 268,826,639.98 and 106,703,251.50 is: 147,245,234.55
Step by Step Solution
- Step 1: Write the proportion equation
194,808,861.99 : 268,826,639.98 = 106,703,251.50 : x - Step 2: Convert to fraction form
194,808,861.99/268,826,639.98 = 106,703,251.50/x - Step 3: Cross multiply
194,808,861.99x = 268,826,639.98 × 106,703,251.50 - Step 4: Simplify right side
194,808,861.99x = 28,684,676,575,685,896 - Step 5: Solve for x
x = 28,684,676,575,685,896/194,808,861.99 - Step 6: Final answer
x = 147,245,234.55
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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.