Finding the Fourth Proportional to 138,511,690.71, 207,761,412.47 and 36,273,464.79
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Solution
The fourth proportional to 138,511,690.71, 207,761,412.47 and 36,273,464.79 is: 54,408,593.54
Step by Step Solution
- Step 1: Write the proportion equation
138,511,690.71 : 207,761,412.47 = 36,273,464.79 : x - Step 2: Convert to fraction form
138,511,690.71/207,761,412.47 = 36,273,464.79/x - Step 3: Cross multiply
138,511,690.71x = 207,761,412.47 × 36,273,464.79 - Step 4: Simplify right side
138,511,690.71x = 7,536,226,279,769,845 - Step 5: Solve for x
x = 7,536,226,279,769,845/138,511,690.71 - Step 6: Final answer
x = 54,408,593.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.