Finding the Fourth Proportional to 76,774,531.35, 115,161,797.57 and 25,656,550.23
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Solution
The fourth proportional to 76,774,531.35, 115,161,797.57 and 25,656,550.23 is: 38,484,825.53
Step by Step Solution
- Step 1: Write the proportion equation
76,774,531.35 : 115,161,797.57 = 25,656,550.23 : x - Step 2: Convert to fraction form
76,774,531.35/115,161,797.57 = 25,656,550.23/x - Step 3: Cross multiply
76,774,531.35x = 115,161,797.57 × 25,656,550.23 - Step 4: Simplify right side
76,774,531.35x = 2,954,654,443,931,797 - Step 5: Solve for x
x = 2,954,654,443,931,797/76,774,531.35 - Step 6: Final answer
x = 38,484,825.53
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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.