Finding the Fourth Proportional to 132,880,292.19, 183,391,364.79 and 77,113,738.62
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Solution
The fourth proportional to 132,880,292.19, 183,391,364.79 and 77,113,738.62 is: 106,426,570.39
Step by Step Solution
- Step 1: Write the proportion equation
132,880,292.19 : 183,391,364.79 = 77,113,738.62 : x - Step 2: Convert to fraction form
132,880,292.19/183,391,364.79 = 77,113,738.62/x - Step 3: Cross multiply
132,880,292.19x = 183,391,364.79 × 77,113,738.62 - Step 4: Simplify right side
132,880,292.19x = 14,141,993,769,581,132 - Step 5: Solve for x
x = 14,141,993,769,581,132/132,880,292.19 - Step 6: Final answer
x = 106,426,570.39
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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.