Finding the Fourth Proportional to 167,201,889.42, 230,739,141.96 and 92,862,436.49
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Solution
The fourth proportional to 167,201,889.42, 230,739,141.96 and 92,862,436.49 is: 128,150,459.25
Step by Step Solution
- Step 1: Write the proportion equation
167,201,889.42 : 230,739,141.96 = 92,862,436.49 : x - Step 2: Convert to fraction form
167,201,889.42/230,739,141.96 = 92,862,436.49/x - Step 3: Cross multiply
167,201,889.42x = 230,739,141.96 × 92,862,436.49 - Step 4: Simplify right side
167,201,889.42x = 21,426,998,916,362,288 - Step 5: Solve for x
x = 21,426,998,916,362,288/167,201,889.42 - Step 6: Final answer
x = 128,150,459.25
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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.