Finding the Fourth Proportional to 102,056,712.99, 140,840,587.44 and 57,996,769.47
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Solution
The fourth proportional to 102,056,712.99, 140,840,587.44 and 57,996,769.47 is: 80,036,862.27
Step by Step Solution
- Step 1: Write the proportion equation
102,056,712.99 : 140,840,587.44 = 57,996,769.47 : x - Step 2: Convert to fraction form
102,056,712.99/140,840,587.44 = 57,996,769.47/x - Step 3: Cross multiply
102,056,712.99x = 140,840,587.44 × 57,996,769.47 - Step 4: Simplify right side
102,056,712.99x = 8,168,299,081,777,057 - Step 5: Solve for x
x = 8,168,299,081,777,057/102,056,712.99 - Step 6: Final answer
x = 80,036,862.27
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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.