Finding the Fourth Proportional to 287,558,905.62, 430,899,400.14 and 170,744,220.82
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Solution
The fourth proportional to 287,558,905.62, 430,899,400.14 and 170,744,220.82 is: 255,855,690.40
Step by Step Solution
- Step 1: Write the proportion equation
287,558,905.62 : 430,899,400.14 = 170,744,220.82 : x - Step 2: Convert to fraction form
287,558,905.62/430,899,400.14 = 170,744,220.82/x - Step 3: Cross multiply
287,558,905.62x = 430,899,400.14 × 170,744,220.82 - Step 4: Simplify right side
287,558,905.62x = 73,573,582,327,632,448 - Step 5: Solve for x
x = 73,573,582,327,632,448/287,558,905.62 - Step 6: Final answer
x = 255,855,690.40
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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.