Finding the Fourth Proportional to 209,563,905.29, 287,103,574.63 and 201,709,497.96
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Solution
The fourth proportional to 209,563,905.29, 287,103,574.63 and 201,709,497.96 is: 276,342,998.20
Step by Step Solution
- Step 1: Write the proportion equation
209,563,905.29 : 287,103,574.63 = 201,709,497.96 : x - Step 2: Convert to fraction form
209,563,905.29/287,103,574.63 = 201,709,497.96/x - Step 3: Cross multiply
209,563,905.29x = 287,103,574.63 × 201,709,497.96 - Step 4: Simplify right side
209,563,905.29x = 57,911,517,901,390,840 - Step 5: Solve for x
x = 57,911,517,901,390,840/209,563,905.29 - Step 6: Final answer
x = 276,342,998.20
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.