Finding the Fourth Proportional to 209,563,956.16, 287,103,644.27 and 201,709,549
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Solution
The fourth proportional to 209,563,956.16, 287,103,644.27 and 201,709,549 is: 276,343,068.07
Step by Step Solution
- Step 1: Write the proportion equation
209,563,956.16 : 287,103,644.27 = 201,709,549 : x - Step 2: Convert to fraction form
209,563,956.16/287,103,644.27 = 201,709,549/x - Step 3: Cross multiply
209,563,956.16x = 287,103,644.27 × 201,709,549 - Step 4: Simplify right side
209,563,956.16x = 57,911,546,601,958,128 - Step 5: Solve for x
x = 57,911,546,601,958,128/209,563,956.16 - Step 6: Final answer
x = 276,343,068.07
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.