Finding the Fourth Proportional to 61,694,909.01, 85,089,331.06 and 54,236,624.14
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Solution
The fourth proportional to 61,694,909.01, 85,089,331.06 and 54,236,624.14 is: 74,802,899.32
Step by Step Solution
- Step 1: Write the proportion equation
61,694,909.01 : 85,089,331.06 = 54,236,624.14 : x - Step 2: Convert to fraction form
61,694,909.01/85,089,331.06 = 54,236,624.14/x - Step 3: Cross multiply
61,694,909.01x = 85,089,331.06 × 54,236,624.14 - Step 4: Simplify right side
61,694,909.01x = 4,614,958,067,025,248 - Step 5: Solve for x
x = 4,614,958,067,025,248/61,694,909.01 - Step 6: Final answer
x = 74,802,899.32
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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.