Finding the Fourth Proportional to 68,958,902,239.80, 103,438,353,359.70 and 68,958,902,239.80
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Solution
The fourth proportional to 68,958,902,239.80, 103,438,353,359.70 and 68,958,902,239.80 is: 103,438,353,359.70
Step by Step Solution
- Step 1: Write the proportion equation
68,958,902,239.80 : 103,438,353,359.70 = 68,958,902,239.80 : x - Step 2: Convert to fraction form
68,958,902,239.80/103,438,353,359.70 = 68,958,902,239.80/x - Step 3: Cross multiply
68,958,902,239.80x = 103,438,353,359.70 × 68,958,902,239.80 - Step 4: Simplify right side
68,958,902,239.80x = 7,132,995,297,177,439,830,016 - Step 5: Solve for x
x = 7,132,995,297,177,439,830,016/68,958,902,239.80 - Step 6: Final answer
x = 103,438,353,359.70
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1.5x scale
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.