Finding the Fourth Proportional to 234,121,856.79, 323,108,002.84 and 129,732,672.63
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Solution
The fourth proportional to 234,121,856.79, 323,108,002.84 and 129,732,672.63 is: 179,042,082.32
Step by Step Solution
- Step 1: Write the proportion equation
234,121,856.79 : 323,108,002.84 = 129,732,672.63 : x - Step 2: Convert to fraction form
234,121,856.79/323,108,002.84 = 129,732,672.63/x - Step 3: Cross multiply
234,121,856.79x = 323,108,002.84 × 129,732,672.63 - Step 4: Simplify right side
234,121,856.79x = 41,917,664,757,706,056 - Step 5: Solve for x
x = 41,917,664,757,706,056/234,121,856.79 - Step 6: Final answer
x = 179,042,082.32
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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.