Finding the Fourth Proportional to 295,262,950.79, 407,454,963.31 and 163,101,102.84
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Solution
The fourth proportional to 295,262,950.79, 407,454,963.31 and 163,101,102.84 is: 225,075,153.17
Step by Step Solution
- Step 1: Write the proportion equation
295,262,950.79 : 407,454,963.31 = 163,101,102.84 : x - Step 2: Convert to fraction form
295,262,950.79/407,454,963.31 = 163,101,102.84/x - Step 3: Cross multiply
295,262,950.79x = 407,454,963.31 × 163,101,102.84 - Step 4: Simplify right side
295,262,950.79x = 66,456,353,873,492,736 - Step 5: Solve for x
x = 66,456,353,873,492,736/295,262,950.79 - Step 6: Final answer
x = 225,075,153.17
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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.