Finding the Fourth Proportional to 81,883,156.73, 122,783,663.23 and 27,276,544.22
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Solution
The fourth proportional to 81,883,156.73, 122,783,663.23 and 27,276,544.22 is: 40,901,134.65
Step by Step Solution
- Step 1: Write the proportion equation
81,883,156.73 : 122,783,663.23 = 27,276,544.22 : x - Step 2: Convert to fraction form
81,883,156.73/122,783,663.23 = 27,276,544.22/x - Step 3: Cross multiply
81,883,156.73x = 122,783,663.23 × 27,276,544.22 - Step 4: Simplify right side
81,883,156.73x = 3,349,114,019,249,964 - Step 5: Solve for x
x = 3,349,114,019,249,964/81,883,156.73 - Step 6: Final answer
x = 40,901,134.65
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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.