Finding the Fourth Proportional to 92,757,915.84, 138,512,235.12 and 75,752,322.24
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Solution
The fourth proportional to 92,757,915.84, 138,512,235.12 and 75,752,322.24 is: 113,118,361.64
Step by Step Solution
- Step 1: Write the proportion equation
92,757,915.84 : 138,512,235.12 = 75,752,322.24 : x - Step 2: Convert to fraction form
92,757,915.84/138,512,235.12 = 75,752,322.24/x - Step 3: Cross multiply
92,757,915.84x = 138,512,235.12 × 75,752,322.24 - Step 4: Simplify right side
92,757,915.84x = 10,492,623,468,992,884 - Step 5: Solve for x
x = 10,492,623,468,992,884/92,757,915.84 - Step 6: Final answer
x = 113,118,361.64
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.