Finding the Fourth Proportional to 90,528,628,444.22, 124,024,823,337.74 and 87,135,546,583.10
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Solution
The fourth proportional to 90,528,628,444.22, 124,024,823,337.74 and 87,135,546,583.10 is: 119,376,278,610.75
Step by Step Solution
- Step 1: Write the proportion equation
90,528,628,444.22 : 124,024,823,337.74 = 87,135,546,583.10 : x - Step 2: Convert to fraction form
90,528,628,444.22/124,024,823,337.74 = 87,135,546,583.10/x - Step 3: Cross multiply
90,528,628,444.22x = 124,024,823,337.74 × 87,135,546,583.10 - Step 4: Simplify right side
90,528,628,444.22x = 10,806,970,771,406,392,918,016 - Step 5: Solve for x
x = 10,806,970,771,406,392,918,016/90,528,628,444.22 - Step 6: Final answer
x = 119,376,278,610.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.