Finding the Fourth Proportional to 106,863,027.70, 147,471,261.69 and 57,970,455.70
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Solution
The fourth proportional to 106,863,027.70, 147,471,261.69 and 57,970,455.70 is: 79,999,382.64
Step by Step Solution
- Step 1: Write the proportion equation
106,863,027.70 : 147,471,261.69 = 57,970,455.70 : x - Step 2: Convert to fraction form
106,863,027.70/147,471,261.69 = 57,970,455.70/x - Step 3: Cross multiply
106,863,027.70x = 147,471,261.69 × 57,970,455.70 - Step 4: Simplify right side
106,863,027.70x = 8,548,976,242,823,252 - Step 5: Solve for x
x = 8,548,976,242,823,252/106,863,027.70 - Step 6: Final answer
x = 79,999,382.64
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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.