Finding the Fourth Proportional to 171,903,772.88, 257,945,238.84 and 76,143,266
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Solution
The fourth proportional to 171,903,772.88, 257,945,238.84 and 76,143,266 is: 114,254,577.46
Step by Step Solution
- Step 1: Write the proportion equation
171,903,772.88 : 257,945,238.84 = 76,143,266 : x - Step 2: Convert to fraction form
171,903,772.88/257,945,238.84 = 76,143,266/x - Step 3: Cross multiply
171,903,772.88x = 257,945,238.84 × 76,143,266 - Step 4: Simplify right side
171,903,772.88x = 19,640,792,934,427,652 - Step 5: Solve for x
x = 19,640,792,934,427,652/171,903,772.88 - Step 6: Final answer
x = 114,254,577.46
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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.