Finding the Fourth Proportional to 155,558,584.54, 214,673,097.99 and 85,945,566.70
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Solution
The fourth proportional to 155,558,584.54, 214,673,097.99 and 85,945,566.70 is: 118,606,125.89
Step by Step Solution
- Step 1: Write the proportion equation
155,558,584.54 : 214,673,097.99 = 85,945,566.70 : x - Step 2: Convert to fraction form
155,558,584.54/214,673,097.99 = 85,945,566.70/x - Step 3: Cross multiply
155,558,584.54x = 214,673,097.99 × 85,945,566.70 - Step 4: Simplify right side
155,558,584.54x = 18,450,201,061,995,184 - Step 5: Solve for x
x = 18,450,201,061,995,184/155,558,584.54 - Step 6: Final answer
x = 118,606,125.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.