Finding the Fourth Proportional to 74,601,134.80, 111,901,702.20 and 44,293,397.20
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Solution
The fourth proportional to 74,601,134.80, 111,901,702.20 and 44,293,397.20 is: 66,440,095.80
Step by Step Solution
- Step 1: Write the proportion equation
74,601,134.80 : 111,901,702.20 = 44,293,397.20 : x - Step 2: Convert to fraction form
74,601,134.80/111,901,702.20 = 44,293,397.20/x - Step 3: Cross multiply
74,601,134.80x = 111,901,702.20 × 44,293,397.20 - Step 4: Simplify right side
74,601,134.80x = 4,956,506,542,900,714 - Step 5: Solve for x
x = 4,956,506,542,900,714/74,601,134.80 - Step 6: Final answer
x = 66,440,095.80
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1.5x scale
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.