Finding the Fourth Proportional to 75,989,918.06, 104,917,564.16 and 48,137,344.94
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Solution
The fourth proportional to 75,989,918.06, 104,917,564.16 and 48,137,344.94 is: 66,462,145.30
Step by Step Solution
- Step 1: Write the proportion equation
75,989,918.06 : 104,917,564.16 = 48,137,344.94 : x - Step 2: Convert to fraction form
75,989,918.06/104,917,564.16 = 48,137,344.94/x - Step 3: Cross multiply
75,989,918.06x = 104,917,564.16 × 48,137,344.94 - Step 4: Simplify right side
75,989,918.06x = 5,050,452,975,469,227 - Step 5: Solve for x
x = 5,050,452,975,469,227/75,989,918.06 - Step 6: Final answer
x = 66,462,145.30
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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.