Finding the Fourth Proportional to 209,578,285.80, 314,367,428.70 and 94,787,029.80
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Solution
The fourth proportional to 209,578,285.80, 314,367,428.70 and 94,787,029.80 is: 142,180,544.70
Step by Step Solution
- Step 1: Write the proportion equation
209,578,285.80 : 314,367,428.70 = 94,787,029.80 : x - Step 2: Convert to fraction form
209,578,285.80/314,367,428.70 = 94,787,029.80/x - Step 3: Cross multiply
209,578,285.80x = 314,367,428.70 × 94,787,029.80 - Step 4: Simplify right side
209,578,285.80x = 29,797,954,832,336,272 - Step 5: Solve for x
x = 29,797,954,832,336,272/209,578,285.80 - Step 6: Final answer
x = 142,180,544.70
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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.