Finding the Fourth Proportional to 193,928,683.36, 290,939,214.48 and 72,761,185.12
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Solution
The fourth proportional to 193,928,683.36, 290,939,214.48 and 72,761,185.12 is: 109,159,107.75
Step by Step Solution
- Step 1: Write the proportion equation
193,928,683.36 : 290,939,214.48 = 72,761,185.12 : x - Step 2: Convert to fraction form
193,928,683.36/290,939,214.48 = 72,761,185.12/x - Step 3: Cross multiply
193,928,683.36x = 290,939,214.48 × 72,761,185.12 - Step 4: Simplify right side
193,928,683.36x = 21,169,082,043,446,668 - Step 5: Solve for x
x = 21,169,082,043,446,668/193,928,683.36 - Step 6: Final answer
x = 109,159,107.75
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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.