Finding the Fourth Proportional to 106,091,950.51, 146,327,972.70 and 93,680,146
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Solution
The fourth proportional to 106,091,950.51, 146,327,972.70 and 93,680,146 is: 129,208,915.29
Step by Step Solution
- Step 1: Write the proportion equation
106,091,950.51 : 146,327,972.70 = 93,680,146 : x - Step 2: Convert to fraction form
106,091,950.51/146,327,972.70 = 93,680,146/x - Step 3: Cross multiply
106,091,950.51x = 146,327,972.70 × 93,680,146 - Step 4: Simplify right side
106,091,950.51x = 13,708,025,846,420,014 - Step 5: Solve for x
x = 13,708,025,846,420,014/106,091,950.51 - Step 6: Final answer
x = 129,208,915.29
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1.5x scale
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.