Finding the Fourth Proportional to 115,472,707.92, 159,352,281.72 and 69,062,960.88
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Solution
The fourth proportional to 115,472,707.92, 159,352,281.72 and 69,062,960.88 is: 95,306,852.99
Step by Step Solution
- Step 1: Write the proportion equation
115,472,707.92 : 159,352,281.72 = 69,062,960.88 : x - Step 2: Convert to fraction form
115,472,707.92/159,352,281.72 = 69,062,960.88/x - Step 3: Cross multiply
115,472,707.92x = 159,352,281.72 × 69,062,960.88 - Step 4: Simplify right side
115,472,707.92x = 11,005,340,398,567,098 - Step 5: Solve for x
x = 11,005,340,398,567,098/115,472,707.92 - Step 6: Final answer
x = 95,306,852.99
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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.