Finding the Fourth Proportional to 68,594,236,188.58, 102,879,942,084.08 and 20,775,876,579.84
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Solution
The fourth proportional to 68,594,236,188.58, 102,879,942,084.08 and 20,775,876,579.84 is: 31,160,358,333.95
Step by Step Solution
- Step 1: Write the proportion equation
68,594,236,188.58 : 102,879,942,084.08 = 20,775,876,579.84 : x - Step 2: Convert to fraction form
68,594,236,188.58/102,879,942,084.08 = 20,775,876,579.84/x - Step 3: Cross multiply
68,594,236,188.58x = 102,879,942,084.08 × 20,775,876,579.84 - Step 4: Simplify right side
68,594,236,188.58x = 2,137,420,979,279,933,210,624 - Step 5: Solve for x
x = 2,137,420,979,279,933,210,624/68,594,236,188.58 - Step 6: Final answer
x = 31,160,358,333.95
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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.