Finding the Fourth Proportional to 68,157,739,195.80, 102,236,608,793.70 and 39,914,785,547.70
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Solution
The fourth proportional to 68,157,739,195.80, 102,236,608,793.70 and 39,914,785,547.70 is: 59,872,178,321.55
Step by Step Solution
- Step 1: Write the proportion equation
68,157,739,195.80 : 102,236,608,793.70 = 39,914,785,547.70 : x - Step 2: Convert to fraction form
68,157,739,195.80/102,236,608,793.70 = 39,914,785,547.70/x - Step 3: Cross multiply
68,157,739,195.80x = 102,236,608,793.70 × 39,914,785,547.70 - Step 4: Simplify right side
68,157,739,195.80x = 4,080,752,315,124,635,140,096 - Step 5: Solve for x
x = 4,080,752,315,124,635,140,096/68,157,739,195.80 - Step 6: Final answer
x = 59,872,178,321.55
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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.