Finding the Fourth Proportional to 129,490,290.24, 194,235,433.92 and 71,955,044.16
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Solution
The fourth proportional to 129,490,290.24, 194,235,433.92 and 71,955,044.16 is: 107,932,565.44
Step by Step Solution
- Step 1: Write the proportion equation
129,490,290.24 : 194,235,433.92 = 71,955,044.16 : x - Step 2: Convert to fraction form
129,490,290.24/194,235,433.92 = 71,955,044.16/x - Step 3: Cross multiply
129,490,290.24x = 194,235,433.92 × 71,955,044.16 - Step 4: Simplify right side
129,490,290.24x = 13,976,219,225,150,360 - Step 5: Solve for x
x = 13,976,219,225,150,360/129,490,290.24 - Step 6: Final answer
x = 107,932,565.44
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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.