Finding the Fourth Proportional to 242,769,712.44, 335,021,525.64 and 131,259,772.92
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Solution
The fourth proportional to 242,769,712.44, 335,021,525.64 and 131,259,772.92 is: 181,138,120.31
Step by Step Solution
- Step 1: Write the proportion equation
242,769,712.44 : 335,021,525.64 = 131,259,772.92 : x - Step 2: Convert to fraction form
242,769,712.44/335,021,525.64 = 131,259,772.92/x - Step 3: Cross multiply
242,769,712.44x = 335,021,525.64 × 131,259,772.92 - Step 4: Simplify right side
242,769,712.44x = 43,974,849,378,818,360 - Step 5: Solve for x
x = 43,974,849,378,818,360/242,769,712.44 - Step 6: Final answer
x = 181,138,120.31
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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.