Finding the Fourth Proportional to 161,449,608,772.93, 242,118,331,353.20 and 89,848,389,460.31
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Solution
The fourth proportional to 161,449,608,772.93, 242,118,331,353.20 and 89,848,389,460.31 is: 134,741,374,080.99
Step by Step Solution
- Step 1: Write the proportion equation
161,449,608,772.93 : 242,118,331,353.20 = 89,848,389,460.31 : x - Step 2: Convert to fraction form
161,449,608,772.93/242,118,331,353.20 = 89,848,389,460.31/x - Step 3: Cross multiply
161,449,608,772.93x = 242,118,331,353.20 × 89,848,389,460.31 - Step 4: Simplify right side
161,449,608,772.93x = 21,753,942,130,902,698,033,152 - Step 5: Solve for x
x = 21,753,942,130,902,698,033,152/161,449,608,772.93 - Step 6: Final answer
x = 134,741,374,080.99
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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.