Finding the Fourth Proportional to 112,334,643.70, 168,517,711.95 and 44,161,479.70
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Solution
The fourth proportional to 112,334,643.70, 168,517,711.95 and 44,161,479.70 is: 66,248,409.84
Step by Step Solution
- Step 1: Write the proportion equation
112,334,643.70 : 168,517,711.95 = 44,161,479.70 : x - Step 2: Convert to fraction form
112,334,643.70/168,517,711.95 = 44,161,479.70/x - Step 3: Cross multiply
112,334,643.70x = 168,517,711.95 × 44,161,479.70 - Step 4: Simplify right side
112,334,643.70x = 7,441,991,515,370,372 - Step 5: Solve for x
x = 7,441,991,515,370,372/112,334,643.70 - Step 6: Final answer
x = 66,248,409.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.