Finding the Fourth Proportional to 79,486,085.88, 119,107,436.04 and 53,482,068.63
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Solution
The fourth proportional to 79,486,085.88, 119,107,436.04 and 53,482,068.63 is: 80,141,222.18
Step by Step Solution
- Step 1: Write the proportion equation
79,486,085.88 : 119,107,436.04 = 53,482,068.63 : x - Step 2: Convert to fraction form
79,486,085.88/119,107,436.04 = 53,482,068.63/x - Step 3: Cross multiply
79,486,085.88x = 119,107,436.04 × 53,482,068.63 - Step 4: Simplify right side
79,486,085.88x = 6,370,112,068,634,616 - Step 5: Solve for x
x = 6,370,112,068,634,616/79,486,085.88 - Step 6: Final answer
x = 80,141,222.18
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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.