Finding the Fourth Proportional to 81,795,092.80, 122,588,440.80 and 43,474,964.80
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Solution
The fourth proportional to 81,795,092.80, 122,588,440.80 and 43,474,964.80 is: 65,157,064.64
Step by Step Solution
- Step 1: Write the proportion equation
81,795,092.80 : 122,588,440.80 = 43,474,964.80 : x - Step 2: Convert to fraction form
81,795,092.80/122,588,440.80 = 43,474,964.80/x - Step 3: Cross multiply
81,795,092.80x = 122,588,440.80 × 43,474,964.80 - Step 4: Simplify right side
81,795,092.80x = 5,329,528,148,666,883 - Step 5: Solve for x
x = 5,329,528,148,666,883/81,795,092.80 - Step 6: Final answer
x = 65,157,064.64
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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.