Finding the Fourth Proportional to 209,843,614.40, 314,765,421.60 and 73,511,283.20
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Solution
The fourth proportional to 209,843,614.40, 314,765,421.60 and 73,511,283.20 is: 110,266,924.80
Step by Step Solution
- Step 1: Write the proportion equation
209,843,614.40 : 314,765,421.60 = 73,511,283.20 : x - Step 2: Convert to fraction form
209,843,614.40/314,765,421.60 = 73,511,283.20/x - Step 3: Cross multiply
209,843,614.40x = 314,765,421.60 × 73,511,283.20 - Step 4: Simplify right side
209,843,614.40x = 23,138,810,048,805,000 - Step 5: Solve for x
x = 23,138,810,048,805,000/209,843,614.40 - Step 6: Final answer
x = 110,266,924.80
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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.