Finding the Fourth Proportional to 213,038,758.96, 319,576,353.78 and 74,852,354.84
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Solution
The fourth proportional to 213,038,758.96, 319,576,353.78 and 74,852,354.84 is: 112,284,932.32
Step by Step Solution
- Step 1: Write the proportion equation
213,038,758.96 : 319,576,353.78 = 74,852,354.84 : x - Step 2: Convert to fraction form
213,038,758.96/319,576,353.78 = 74,852,354.84/x - Step 3: Cross multiply
213,038,758.96x = 319,576,353.78 × 74,852,354.84 - Step 4: Simplify right side
213,038,758.96x = 23,921,042,631,613,936 - Step 5: Solve for x
x = 23,921,042,631,613,936/213,038,758.96 - Step 6: Final answer
x = 112,284,932.32
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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.