Finding the Fourth Proportional to 314,749,189.30, 434,354,299.66 and 173,617,226.14
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Solution
The fourth proportional to 314,749,189.30, 434,354,299.66 and 173,617,226.14 is: 239,592,002.88
Step by Step Solution
- Step 1: Write the proportion equation
314,749,189.30 : 434,354,299.66 = 173,617,226.14 : x - Step 2: Convert to fraction form
314,749,189.30/434,354,299.66 = 173,617,226.14/x - Step 3: Cross multiply
314,749,189.30x = 434,354,299.66 × 173,617,226.14 - Step 4: Simplify right side
314,749,189.30x = 75,411,388,668,951,536 - Step 5: Solve for x
x = 75,411,388,668,951,536/314,749,189.30 - Step 6: Final answer
x = 239,592,002.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.