Finding the Fourth Proportional to 169,227,470.87, 233,582,337.36 and 99,653,208.05
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Solution
The fourth proportional to 169,227,470.87, 233,582,337.36 and 99,653,208.05 is: 137,549,944.72
Step by Step Solution
- Step 1: Write the proportion equation
169,227,470.87 : 233,582,337.36 = 99,653,208.05 : x - Step 2: Convert to fraction form
169,227,470.87/233,582,337.36 = 99,653,208.05/x - Step 3: Cross multiply
169,227,470.87x = 233,582,337.36 × 99,653,208.05 - Step 4: Simplify right side
169,227,470.87x = 23,277,229,262,325,324 - Step 5: Solve for x
x = 23,277,229,262,325,324/169,227,470.87 - Step 6: Final answer
x = 137,549,944.72
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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.