Finding the Fourth Proportional to 99,841,731.60, 149,750,787.60 and 27,053,997.60
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Solution
The fourth proportional to 99,841,731.60, 149,750,787.60 and 27,053,997.60 is: 40,577,796.31
Step by Step Solution
- Step 1: Write the proportion equation
99,841,731.60 : 149,750,787.60 = 27,053,997.60 : x - Step 2: Convert to fraction form
99,841,731.60/149,750,787.60 = 27,053,997.60/x - Step 3: Cross multiply
99,841,731.60x = 149,750,787.60 × 27,053,997.60 - Step 4: Simplify right side
99,841,731.60x = 4,051,357,448,328,510 - Step 5: Solve for x
x = 4,051,357,448,328,510/99,841,731.60 - Step 6: Final answer
x = 40,577,796.31
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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.