Finding the Fourth Proportional to 77,542,714.08, 107,027,180.40 and 48,196,209.84
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Solution
The fourth proportional to 77,542,714.08, 107,027,180.40 and 48,196,209.84 is: 66,522,103.42
Step by Step Solution
- Step 1: Write the proportion equation
77,542,714.08 : 107,027,180.40 = 48,196,209.84 : x - Step 2: Convert to fraction form
77,542,714.08/107,027,180.40 = 48,196,209.84/x - Step 3: Cross multiply
77,542,714.08x = 107,027,180.40 × 48,196,209.84 - Step 4: Simplify right side
77,542,714.08x = 5,158,304,445,141,936 - Step 5: Solve for x
x = 5,158,304,445,141,936/77,542,714.08 - Step 6: Final answer
x = 66,522,103.42
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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.