Finding the Fourth Proportional to 117,008,537.10, 175,512,805.65 and 56,542,361.10
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Solution
The fourth proportional to 117,008,537.10, 175,512,805.65 and 56,542,361.10 is: 84,813,541.65
Step by Step Solution
- Step 1: Write the proportion equation
117,008,537.10 : 175,512,805.65 = 56,542,361.10 : x - Step 2: Convert to fraction form
117,008,537.10/175,512,805.65 = 56,542,361.10/x - Step 3: Cross multiply
117,008,537.10x = 175,512,805.65 × 56,542,361.10 - Step 4: Simplify right side
117,008,537.10x = 9,923,908,434,736,420 - Step 5: Solve for x
x = 9,923,908,434,736,420/117,008,537.10 - Step 6: Final answer
x = 84,813,541.65
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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.