Finding the Fourth Proportional to 145,975,270.43, 201,424,203.87 and 88,659,137.45
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Solution
The fourth proportional to 145,975,270.43, 201,424,203.87 and 88,659,137.45 is: 122,336,448.66
Step by Step Solution
- Step 1: Write the proportion equation
145,975,270.43 : 201,424,203.87 = 88,659,137.45 : x - Step 2: Convert to fraction form
145,975,270.43/201,424,203.87 = 88,659,137.45/x - Step 3: Cross multiply
145,975,270.43x = 201,424,203.87 × 88,659,137.45 - Step 4: Simplify right side
145,975,270.43x = 17,858,096,176,837,354 - Step 5: Solve for x
x = 17,858,096,176,837,354/145,975,270.43 - Step 6: Final answer
x = 122,336,448.66
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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.