Finding the Fourth Proportional to 102,056,713.49, 140,840,588.13 and 57,996,769.97
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Solution
The fourth proportional to 102,056,713.49, 140,840,588.13 and 57,996,769.97 is: 80,036,862.96
Step by Step Solution
- Step 1: Write the proportion equation
102,056,713.49 : 140,840,588.13 = 57,996,769.97 : x - Step 2: Convert to fraction form
102,056,713.49/140,840,588.13 = 57,996,769.97/x - Step 3: Cross multiply
102,056,713.49x = 140,840,588.13 × 57,996,769.97 - Step 4: Simplify right side
102,056,713.49x = 8,168,299,192,215,122 - Step 5: Solve for x
x = 8,168,299,192,215,122/102,056,713.49 - Step 6: Final answer
x = 80,036,862.96
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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.