Finding the Fourth Proportional to 189,768,818.74, 284,688,861.60 and 86,145,297.14
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Solution
The fourth proportional to 189,768,818.74, 284,688,861.60 and 86,145,297.14 is: 129,234,121.48
Step by Step Solution
- Step 1: Write the proportion equation
189,768,818.74 : 284,688,861.60 = 86,145,297.14 : x - Step 2: Convert to fraction form
189,768,818.74/284,688,861.60 = 86,145,297.14/x - Step 3: Cross multiply
189,768,818.74x = 284,688,861.60 × 86,145,297.14 - Step 4: Simplify right side
189,768,818.74x = 24,524,606,574,980,340 - Step 5: Solve for x
x = 24,524,606,574,980,340/189,768,818.74 - Step 6: Final answer
x = 129,234,121.48
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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.