Finding the Fourth Proportional to 157,564,218.63, 217,474,901.42 and 92,395,117.83
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Solution
The fourth proportional to 157,564,218.63, 217,474,901.42 and 92,395,117.83 is: 127,526,536.90
Step by Step Solution
- Step 1: Write the proportion equation
157,564,218.63 : 217,474,901.42 = 92,395,117.83 : x - Step 2: Convert to fraction form
157,564,218.63/217,474,901.42 = 92,395,117.83/x - Step 3: Cross multiply
157,564,218.63x = 217,474,901.42 × 92,395,117.83 - Step 4: Simplify right side
157,564,218.63x = 20,093,619,141,306,556 - Step 5: Solve for x
x = 20,093,619,141,306,556/157,564,218.63 - Step 6: Final answer
x = 127,526,536.90
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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.