Finding the Fourth Proportional to 193,427,712.70, 290,141,569.05 and 170,752,896.70
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Solution
The fourth proportional to 193,427,712.70, 290,141,569.05 and 170,752,896.70 is: 256,129,345.05
Step by Step Solution
- Step 1: Write the proportion equation
193,427,712.70 : 290,141,569.05 = 170,752,896.70 : x - Step 2: Convert to fraction form
193,427,712.70/290,141,569.05 = 170,752,896.70/x - Step 3: Cross multiply
193,427,712.70x = 290,141,569.05 × 170,752,896.70 - Step 4: Simplify right side
193,427,712.70x = 49,542,513,368,370,568 - Step 5: Solve for x
x = 49,542,513,368,370,568/193,427,712.70 - Step 6: Final answer
x = 256,129,345.05
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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.