Finding the Fourth Proportional to 295,262,949.79, 407,454,961.93 and 163,101,101.84
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Solution
The fourth proportional to 295,262,949.79, 407,454,961.93 and 163,101,101.84 is: 225,075,151.79
Step by Step Solution
- Step 1: Write the proportion equation
295,262,949.79 : 407,454,961.93 = 163,101,101.84 : x - Step 2: Convert to fraction form
295,262,949.79/407,454,961.93 = 163,101,101.84/x - Step 3: Cross multiply
295,262,949.79x = 407,454,961.93 × 163,101,101.84 - Step 4: Simplify right side
295,262,949.79x = 66,456,353,240,958,256 - Step 5: Solve for x
x = 66,456,353,240,958,256/295,262,949.79 - Step 6: Final answer
x = 225,075,151.79
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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.