Finding the Fourth Proportional to 227,837,906.67, 314,417,820.84 and 123,415,977.99
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Solution
The fourth proportional to 227,837,906.67, 314,417,820.84 and 123,415,977.99 is: 170,314,867.37
Step by Step Solution
- Step 1: Write the proportion equation
227,837,906.67 : 314,417,820.84 = 123,415,977.99 : x - Step 2: Convert to fraction form
227,837,906.67/314,417,820.84 = 123,415,977.99/x - Step 3: Cross multiply
227,837,906.67x = 314,417,820.84 × 123,415,977.99 - Step 4: Simplify right side
227,837,906.67x = 38,804,182,856,453,200 - Step 5: Solve for x
x = 38,804,182,856,453,200/227,837,906.67 - Step 6: Final answer
x = 170,314,867.37
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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.