Finding the Fourth Proportional to 60,900,791.39, 91,314,705.62 and 19,383,734.28
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Solution
The fourth proportional to 60,900,791.39, 91,314,705.62 and 19,383,734.28 is: 29,063,989.96
Step by Step Solution
- Step 1: Write the proportion equation
60,900,791.39 : 91,314,705.62 = 19,383,734.28 : x - Step 2: Convert to fraction form
60,900,791.39/91,314,705.62 = 19,383,734.28/x - Step 3: Cross multiply
60,900,791.39x = 91,314,705.62 × 19,383,734.28 - Step 4: Simplify right side
60,900,791.39x = 1,770,019,989,497,584 - Step 5: Solve for x
x = 1,770,019,989,497,584/60,900,791.39 - Step 6: Final answer
x = 29,063,989.96
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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.