Finding the Fourth Proportional to 171,586,525.41, 236,789,557.64 and 93,270,078.90
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Solution
The fourth proportional to 171,586,525.41, 236,789,557.64 and 93,270,078.90 is: 128,712,791.82
Step by Step Solution
- Step 1: Write the proportion equation
171,586,525.41 : 236,789,557.64 = 93,270,078.90 : x - Step 2: Convert to fraction form
171,586,525.41/236,789,557.64 = 93,270,078.90/x - Step 3: Cross multiply
171,586,525.41x = 236,789,557.64 × 93,270,078.90 - Step 4: Simplify right side
171,586,525.41x = 22,085,380,723,662,312 - Step 5: Solve for x
x = 22,085,380,723,662,312/171,586,525.41 - Step 6: Final answer
x = 128,712,791.82
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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.