Finding the Fourth Proportional to 207,261,083.20, 310,891,624.80 and 63,635,252.80
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Solution
The fourth proportional to 207,261,083.20, 310,891,624.80 and 63,635,252.80 is: 95,452,879.20
Step by Step Solution
- Step 1: Write the proportion equation
207,261,083.20 : 310,891,624.80 = 63,635,252.80 : x - Step 2: Convert to fraction form
207,261,083.20/310,891,624.80 = 63,635,252.80/x - Step 3: Cross multiply
207,261,083.20x = 310,891,624.80 × 63,635,252.80 - Step 4: Simplify right side
207,261,083.20x = 19,783,667,137,550,748 - Step 5: Solve for x
x = 19,783,667,137,550,748/207,261,083.20 - Step 6: Final answer
x = 95,452,879.20
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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.