Finding the Fourth Proportional to 165,901,632.30, 248,852,448.45 and 149,777,318.70
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Solution
The fourth proportional to 165,901,632.30, 248,852,448.45 and 149,777,318.70 is: 224,665,978.05
Step by Step Solution
- Step 1: Write the proportion equation
165,901,632.30 : 248,852,448.45 = 149,777,318.70 : x - Step 2: Convert to fraction form
165,901,632.30/248,852,448.45 = 149,777,318.70/x - Step 3: Cross multiply
165,901,632.30x = 248,852,448.45 × 149,777,318.70 - Step 4: Simplify right side
165,901,632.30x = 37,272,452,480,770,968 - Step 5: Solve for x
x = 37,272,452,480,770,968/165,901,632.30 - Step 6: Final answer
x = 224,665,978.05
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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.