Finding the Fourth Proportional to 68,125,245.21, 93,998,804.27 and 39,146,270.49
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Solution
The fourth proportional to 68,125,245.21, 93,998,804.27 and 39,146,270.49 is: 54,013,788.96
Step by Step Solution
- Step 1: Write the proportion equation
68,125,245.21 : 93,998,804.27 = 39,146,270.49 : x - Step 2: Convert to fraction form
68,125,245.21/93,998,804.27 = 39,146,270.49/x - Step 3: Cross multiply
68,125,245.21x = 93,998,804.27 × 39,146,270.49 - Step 4: Simplify right side
68,125,245.21x = 3,679,702,617,494,256 - Step 5: Solve for x
x = 3,679,702,617,494,256/68,125,245.21 - Step 6: Final answer
x = 54,013,788.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.