Finding the Fourth Proportional to 169,193,727.36, 233,563,848.84 and 106,561,874.70
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Solution
The fourth proportional to 169,193,727.36, 233,563,848.84 and 106,561,874.70 is: 147,103,571.64
Step by Step Solution
- Step 1: Write the proportion equation
169,193,727.36 : 233,563,848.84 = 106,561,874.70 : x - Step 2: Convert to fraction form
169,193,727.36/233,563,848.84 = 106,561,874.70/x - Step 3: Cross multiply
169,193,727.36x = 233,563,848.84 × 106,561,874.70 - Step 4: Simplify right side
169,193,727.36x = 24,889,001,594,537,820 - Step 5: Solve for x
x = 24,889,001,594,537,820/169,193,727.36 - Step 6: Final answer
x = 147,103,571.64
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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.