Finding the Fourth Proportional to 161,705,527.40, 242,558,291.10 and 46,693,821.80
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Solution
The fourth proportional to 161,705,527.40, 242,558,291.10 and 46,693,821.80 is: 70,040,732.70
Step by Step Solution
- Step 1: Write the proportion equation
161,705,527.40 : 242,558,291.10 = 46,693,821.80 : x - Step 2: Convert to fraction form
161,705,527.40/242,558,291.10 = 46,693,821.80/x - Step 3: Cross multiply
161,705,527.40x = 242,558,291.10 × 46,693,821.80 - Step 4: Simplify right side
161,705,527.40x = 11,325,973,620,735,924 - Step 5: Solve for x
x = 11,325,973,620,735,924/161,705,527.40 - Step 6: Final answer
x = 70,040,732.70
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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.