Finding the Fourth Proportional to 94,745,434.73, 130,676,706.07 and 81,536,579.84
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Solution
The fourth proportional to 94,745,434.73, 130,676,706.07 and 81,536,579.84 is: 112,458,523.29
Step by Step Solution
- Step 1: Write the proportion equation
94,745,434.73 : 130,676,706.07 = 81,536,579.84 : x - Step 2: Convert to fraction form
94,745,434.73/130,676,706.07 = 81,536,579.84/x - Step 3: Cross multiply
94,745,434.73x = 130,676,706.07 × 81,536,579.84 - Step 4: Simplify right side
94,745,434.73x = 10,654,931,677,827,618 - Step 5: Solve for x
x = 10,654,931,677,827,618/94,745,434.73 - Step 6: Final answer
x = 112,458,523.29
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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.