Finding the Fourth Proportional to 70,236,662.21, 105,307,108.26 and 35,626,325.68
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Solution
The fourth proportional to 70,236,662.21, 105,307,108.26 and 35,626,325.68 is: 53,415,199.66
Step by Step Solution
- Step 1: Write the proportion equation
70,236,662.21 : 105,307,108.26 = 35,626,325.68 : x - Step 2: Convert to fraction form
70,236,662.21/105,307,108.26 = 35,626,325.68/x - Step 3: Cross multiply
70,236,662.21x = 105,307,108.26 × 35,626,325.68 - Step 4: Simplify right side
70,236,662.21x = 3,751,705,335,026,511 - Step 5: Solve for x
x = 3,751,705,335,026,511/70,236,662.21 - Step 6: Final answer
x = 53,415,199.66
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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.