Finding the Fourth Proportional to 98,517,698,940.86, 147,761,617,174.15 and 26,812,800,729.66
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Solution
The fourth proportional to 98,517,698,940.86, 147,761,617,174.15 and 26,812,800,729.66 is: 40,215,137,375.07
Step by Step Solution
- Step 1: Write the proportion equation
98,517,698,940.86 : 147,761,617,174.15 = 26,812,800,729.66 : x - Step 2: Convert to fraction form
98,517,698,940.86/147,761,617,174.15 = 26,812,800,729.66/x - Step 3: Cross multiply
98,517,698,940.86x = 147,761,617,174.15 × 26,812,800,729.66 - Step 4: Simplify right side
98,517,698,940.86x = 3,961,902,796,782,199,373,824 - Step 5: Solve for x
x = 3,961,902,796,782,199,373,824/98,517,698,940.86 - Step 6: Final answer
x = 40,215,137,375.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.