Finding the Fourth Proportional to 245,471,199.86, 338,757,437.58 and 133,969,192.31
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Solution
The fourth proportional to 245,471,199.86, 338,757,437.58 and 133,969,192.31 is: 184,881,404.94
Step by Step Solution
- Step 1: Write the proportion equation
245,471,199.86 : 338,757,437.58 = 133,969,192.31 : x - Step 2: Convert to fraction form
245,471,199.86/338,757,437.58 = 133,969,192.31/x - Step 3: Cross multiply
245,471,199.86x = 338,757,437.58 × 133,969,192.31 - Step 4: Simplify right side
245,471,199.86x = 45,383,060,301,597,840 - Step 5: Solve for x
x = 45,383,060,301,597,840/245,471,199.86 - Step 6: Final answer
x = 184,881,404.94
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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.