Finding the Fourth Proportional to 79,916,501.42, 110,284,768.35 and 43,247,073.42
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Solution
The fourth proportional to 79,916,501.42, 110,284,768.35 and 43,247,073.42 is: 59,680,959.37
Step by Step Solution
- Step 1: Write the proportion equation
79,916,501.42 : 110,284,768.35 = 43,247,073.42 : x - Step 2: Convert to fraction form
79,916,501.42/110,284,768.35 = 43,247,073.42/x - Step 3: Cross multiply
79,916,501.42x = 110,284,768.35 × 43,247,073.42 - Step 4: Simplify right side
79,916,501.42x = 4,769,493,473,940,142 - Step 5: Solve for x
x = 4,769,493,473,940,142/79,916,501.42 - Step 6: Final answer
x = 59,680,959.37
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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.