Finding the Fourth Proportional to 227,837,903.67, 314,417,816.70 and 123,415,974.99
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Solution
The fourth proportional to 227,837,903.67, 314,417,816.70 and 123,415,974.99 is: 170,314,863.23
Step by Step Solution
- Step 1: Write the proportion equation
227,837,903.67 : 314,417,816.70 = 123,415,974.99 : x - Step 2: Convert to fraction form
227,837,903.67/314,417,816.70 = 123,415,974.99/x - Step 3: Cross multiply
227,837,903.67x = 314,417,816.70 × 123,415,974.99 - Step 4: Simplify right side
227,837,903.67x = 38,804,181,402,257,600 - Step 5: Solve for x
x = 38,804,181,402,257,600/227,837,903.67 - Step 6: Final answer
x = 170,314,863.23
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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.