Finding the Fourth Proportional to 83,760,208.11, 125,641,886.67 and 26,251,206.03
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Solution
The fourth proportional to 83,760,208.11, 125,641,886.67 and 26,251,206.03 is: 39,377,302.51
Step by Step Solution
- Step 1: Write the proportion equation
83,760,208.11 : 125,641,886.67 = 26,251,206.03 : x - Step 2: Convert to fraction form
83,760,208.11/125,641,886.67 = 26,251,206.03/x - Step 3: Cross multiply
83,760,208.11x = 125,641,886.67 × 26,251,206.03 - Step 4: Simplify right side
83,760,208.11x = 3,298,251,052,972,081 - Step 5: Solve for x
x = 3,298,251,052,972,081/83,760,208.11 - Step 6: Final answer
x = 39,377,302.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.