Finding the Fourth Proportional to 81,256,515.42, 121,859,169.84 and 26,656,377.80
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Solution
The fourth proportional to 81,256,515.42, 121,859,169.84 and 26,656,377.80 is: 39,976,167.48
Step by Step Solution
- Step 1: Write the proportion equation
81,256,515.42 : 121,859,169.84 = 26,656,377.80 : x - Step 2: Convert to fraction form
81,256,515.42/121,859,169.84 = 26,656,377.80/x - Step 3: Cross multiply
81,256,515.42x = 121,859,169.84 × 26,656,377.80 - Step 4: Simplify right side
81,256,515.42x = 3,248,324,069,040,110 - Step 5: Solve for x
x = 3,248,324,069,040,110/81,256,515.42 - Step 6: Final answer
x = 39,976,167.48
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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.