Finding the Fourth Proportional to 141,765,786, 195,635,626.38 and 79,041,138.84
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Solution
The fourth proportional to 141,765,786, 195,635,626.38 and 79,041,138.84 is: 109,076,125.79
Step by Step Solution
- Step 1: Write the proportion equation
141,765,786 : 195,635,626.38 = 79,041,138.84 : x - Step 2: Convert to fraction form
141,765,786/195,635,626.38 = 79,041,138.84/x - Step 3: Cross multiply
141,765,786x = 195,635,626.38 × 79,041,138.84 - Step 4: Simplify right side
141,765,786x = 15,463,262,706,751,946 - Step 5: Solve for x
x = 15,463,262,706,751,946/141,765,786 - Step 6: Final answer
x = 109,076,125.79
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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.