Finding the Fourth Proportional to 119,313,863.11, 178,970,895.12 and 57,050,528.06
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Solution
The fourth proportional to 119,313,863.11, 178,970,895.12 and 57,050,528.06 is: 85,575,840.12
Step by Step Solution
- Step 1: Write the proportion equation
119,313,863.11 : 178,970,895.12 = 57,050,528.06 : x - Step 2: Convert to fraction form
119,313,863.11/178,970,895.12 = 57,050,528.06/x - Step 3: Cross multiply
119,313,863.11x = 178,970,895.12 × 57,050,528.06 - Step 4: Simplify right side
119,313,863.11x = 10,210,384,073,621,532 - Step 5: Solve for x
x = 10,210,384,073,621,532/119,313,863.11 - Step 6: Final answer
x = 85,575,840.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.