Finding the Fourth Proportional to 262,203,572.80, 393,250,246.80 and 132,689,432.80
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Solution
The fourth proportional to 262,203,572.80, 393,250,246.80 and 132,689,432.80 is: 199,006,259.29
Step by Step Solution
- Step 1: Write the proportion equation
262,203,572.80 : 393,250,246.80 = 132,689,432.80 : x - Step 2: Convert to fraction form
262,203,572.80/393,250,246.80 = 132,689,432.80/x - Step 3: Cross multiply
262,203,572.80x = 393,250,246.80 × 132,689,432.80 - Step 4: Simplify right side
262,203,572.80x = 52,180,152,196,352,016 - Step 5: Solve for x
x = 52,180,152,196,352,016/262,203,572.80 - Step 6: Final answer
x = 199,006,259.29
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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.