Finding the Fourth Proportional to 147,757,602.24, 203,899,133.73 and 80,775,285.77
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Solution
The fourth proportional to 147,757,602.24, 203,899,133.73 and 80,775,285.77 is: 111,466,418.95
Step by Step Solution
- Step 1: Write the proportion equation
147,757,602.24 : 203,899,133.73 = 80,775,285.77 : x - Step 2: Convert to fraction form
147,757,602.24/203,899,133.73 = 80,775,285.77/x - Step 3: Cross multiply
147,757,602.24x = 203,899,133.73 × 80,775,285.77 - Step 4: Simplify right side
147,757,602.24x = 16,470,010,794,276,700 - Step 5: Solve for x
x = 16,470,010,794,276,700/147,757,602.24 - Step 6: Final answer
x = 111,466,418.95
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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.