Finding the Fourth Proportional to 129,673,991.58, 194,199,274.26 and 74,173,615.35
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Solution
The fourth proportional to 129,673,991.58, 194,199,274.26 and 74,173,615.35 is: 111,082,122.90
Step by Step Solution
- Step 1: Write the proportion equation
129,673,991.58 : 194,199,274.26 = 74,173,615.35 : x - Step 2: Convert to fraction form
129,673,991.58/194,199,274.26 = 74,173,615.35/x - Step 3: Cross multiply
129,673,991.58x = 194,199,274.26 × 74,173,615.35 - Step 4: Simplify right side
129,673,991.58x = 14,404,462,270,210,394 - Step 5: Solve for x
x = 14,404,462,270,210,394/129,673,991.58 - Step 6: Final answer
x = 111,082,122.90
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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.