Finding the Fourth Proportional to 168,729,814.67, 232,847,486.05 and 94,391,616.63
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Solution
The fourth proportional to 168,729,814.67, 232,847,486.05 and 94,391,616.63 is: 130,260,622.17
Step by Step Solution
- Step 1: Write the proportion equation
168,729,814.67 : 232,847,486.05 = 94,391,616.63 : x - Step 2: Convert to fraction form
168,729,814.67/232,847,486.05 = 94,391,616.63/x - Step 3: Cross multiply
168,729,814.67x = 232,847,486.05 × 94,391,616.63 - Step 4: Simplify right side
168,729,814.67x = 21,978,850,637,128,076 - Step 5: Solve for x
x = 21,978,850,637,128,076/168,729,814.67 - Step 6: Final answer
x = 130,260,622.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.