Finding the Fourth Proportional to 211,409,307.11, 291,751,478.28 and 122,099,592.17
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Solution
The fourth proportional to 211,409,307.11, 291,751,478.28 and 122,099,592.17 is: 168,501,268.94
Step by Step Solution
- Step 1: Write the proportion equation
211,409,307.11 : 291,751,478.28 = 122,099,592.17 : x - Step 2: Convert to fraction form
211,409,307.11/291,751,478.28 = 122,099,592.17/x - Step 3: Cross multiply
211,409,307.11x = 291,751,478.28 × 122,099,592.17 - Step 4: Simplify right side
211,409,307.11x = 35,622,736,512,982,612 - Step 5: Solve for x
x = 35,622,736,512,982,612/211,409,307.11 - Step 6: Final answer
x = 168,501,268.94
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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.