Finding the Fourth Proportional to 207,224,907.26, 286,099,430.58 and 131,913,728.46
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Solution
The fourth proportional to 207,224,907.26, 286,099,430.58 and 131,913,728.46 is: 182,123,100.44
Step by Step Solution
- Step 1: Write the proportion equation
207,224,907.26 : 286,099,430.58 = 131,913,728.46 : x - Step 2: Convert to fraction form
207,224,907.26/286,099,430.58 = 131,913,728.46/x - Step 3: Cross multiply
207,224,907.26x = 286,099,430.58 × 131,913,728.46 - Step 4: Simplify right side
207,224,907.26x = 37,740,442,598,090,736 - Step 5: Solve for x
x = 37,740,442,598,090,736/207,224,907.26 - Step 6: Final answer
x = 182,123,100.44
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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.