Finding the Fourth Proportional to 117,219,965.94, 175,855,340.79 and 35,331,994.26
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Solution
The fourth proportional to 117,219,965.94, 175,855,340.79 and 35,331,994.26 is: 53,005,644.91
Step by Step Solution
- Step 1: Write the proportion equation
117,219,965.94 : 175,855,340.79 = 35,331,994.26 : x - Step 2: Convert to fraction form
117,219,965.94/175,855,340.79 = 35,331,994.26/x - Step 3: Cross multiply
117,219,965.94x = 175,855,340.79 × 35,331,994.26 - Step 4: Simplify right side
117,219,965.94x = 6,213,319,891,382,623 - Step 5: Solve for x
x = 6,213,319,891,382,623/117,219,965.94 - Step 6: Final answer
x = 53,005,644.91
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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.