Finding the Fourth Proportional to 68,048,493,562.20, 102,072,740,343.30 and 18,361,736,131.80
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Solution
The fourth proportional to 68,048,493,562.20, 102,072,740,343.30 and 18,361,736,131.80 is: 27,542,604,197.70
Step by Step Solution
- Step 1: Write the proportion equation
68,048,493,562.20 : 102,072,740,343.30 = 18,361,736,131.80 : x - Step 2: Convert to fraction form
68,048,493,562.20/102,072,740,343.30 = 18,361,736,131.80/x - Step 3: Cross multiply
68,048,493,562.20x = 102,072,740,343.30 × 18,361,736,131.80 - Step 4: Simplify right side
68,048,493,562.20x = 1,874,232,724,433,411,244,032 - Step 5: Solve for x
x = 1,874,232,724,433,411,244,032/68,048,493,562.20 - Step 6: Final answer
x = 27,542,604,197.70
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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.