Finding the Fourth Proportional to 90,497,991,400.11, 124,902,425,297.88 and 52,459,992,387.63
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Solution
The fourth proportional to 90,497,991,400.11, 124,902,425,297.88 and 52,459,992,387.63 is: 72,403,599,007.56
Step by Step Solution
- Step 1: Write the proportion equation
90,497,991,400.11 : 124,902,425,297.88 = 52,459,992,387.63 : x - Step 2: Convert to fraction form
90,497,991,400.11/124,902,425,297.88 = 52,459,992,387.63/x - Step 3: Cross multiply
90,497,991,400.11x = 124,902,425,297.88 × 52,459,992,387.63 - Step 4: Simplify right side
90,497,991,400.11x = 6,552,380,280,323,309,568,000 - Step 5: Solve for x
x = 6,552,380,280,323,309,568,000/90,497,991,400.11 - Step 6: Final answer
x = 72,403,599,007.56
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1.5x scale
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.