Finding the Fourth Proportional to 112,331,546.40, 168,497,319.60 and 104,773,274.40
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Solution
The fourth proportional to 112,331,546.40, 168,497,319.60 and 104,773,274.40 is: 157,159,911.60
Step by Step Solution
- Step 1: Write the proportion equation
112,331,546.40 : 168,497,319.60 = 104,773,274.40 : x - Step 2: Convert to fraction form
112,331,546.40/168,497,319.60 = 104,773,274.40/x - Step 3: Cross multiply
112,331,546.40x = 168,497,319.60 × 104,773,274.40 - Step 4: Simplify right side
112,331,546.40x = 17,654,015,902,115,298 - Step 5: Solve for x
x = 17,654,015,902,115,298/112,331,546.40 - Step 6: Final answer
x = 157,159,911.60
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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.