Finding the Fourth Proportional to 157,897,297.20, 236,899,716.84 and 85,121,110.56
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Solution
The fourth proportional to 157,897,297.20, 236,899,716.84 and 85,121,110.56 is: 127,710,653.36
Step by Step Solution
- Step 1: Write the proportion equation
157,897,297.20 : 236,899,716.84 = 85,121,110.56 : x - Step 2: Convert to fraction form
157,897,297.20/236,899,716.84 = 85,121,110.56/x - Step 3: Cross multiply
157,897,297.20x = 236,899,716.84 × 85,121,110.56 - Step 4: Simplify right side
157,897,297.20x = 20,165,166,988,770,336 - Step 5: Solve for x
x = 20,165,166,988,770,336/157,897,297.20 - Step 6: Final answer
x = 127,710,653.36
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.